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Finding the Fourth Proportional to 336,010.60, 504,070.80 and 99,377.20

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Solution

The fourth proportional to 336,010.60, 504,070.80 and 99,377.20 is: 149,082.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,010.60 : 504,070.80 = 99,377.20 : x
  2. Step 2: Convert to fraction form
    336,010.60/504,070.80 = 99,377.20/x
  3. Step 3: Cross multiply
    336,010.60x = 504,070.80 × 99,377.20
  4. Step 4: Simplify right side
    336,010.60x = 50,093,144,705.76
  5. Step 5: Solve for x
    x = 50,093,144,705.76/336,010.60
  6. Step 6: Final answer
    x = 149,082.04

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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.