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Finding the Fourth Proportional to 357,459,176.80, 536,251,750.80 and 127,561,736.80

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Solution

The fourth proportional to 357,459,176.80, 536,251,750.80 and 127,561,736.80 is: 191,365,082.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,459,176.80 : 536,251,750.80 = 127,561,736.80 : x
  2. Step 2: Convert to fraction form
    357,459,176.80/536,251,750.80 = 127,561,736.80/x
  3. Step 3: Cross multiply
    357,459,176.80x = 536,251,750.80 × 127,561,736.80
  4. Step 4: Simplify right side
    357,459,176.80x = 68,405,204,694,088,792
  5. Step 5: Solve for x
    x = 68,405,204,694,088,792/357,459,176.80
  6. Step 6: Final answer
    x = 191,365,082.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.