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Finding the Fourth Proportional to 180,582,925.80, 270,874,388.70 and 65,571,220.20

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Solution

The fourth proportional to 180,582,925.80, 270,874,388.70 and 65,571,220.20 is: 98,356,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,582,925.80 : 270,874,388.70 = 65,571,220.20 : x
  2. Step 2: Convert to fraction form
    180,582,925.80/270,874,388.70 = 65,571,220.20/x
  3. Step 3: Cross multiply
    180,582,925.80x = 270,874,388.70 × 65,571,220.20
  4. Step 4: Simplify right side
    180,582,925.80x = 17,761,564,187,988,092
  5. Step 5: Solve for x
    x = 17,761,564,187,988,092/180,582,925.80
  6. Step 6: Final answer
    x = 98,356,830.30

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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.