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Finding the Fourth Proportional to 77,344,817.60, 115,917,693.60 and 59,304,497.60

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Solution

The fourth proportional to 77,344,817.60, 115,917,693.60 and 59,304,497.60 is: 88,880,429.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,344,817.60 : 115,917,693.60 = 59,304,497.60 : x
  2. Step 2: Convert to fraction form
    77,344,817.60/115,917,693.60 = 59,304,497.60/x
  3. Step 3: Cross multiply
    77,344,817.60x = 115,917,693.60 × 59,304,497.60
  4. Step 4: Simplify right side
    77,344,817.60x = 6,874,440,581,898,735
  5. Step 5: Solve for x
    x = 6,874,440,581,898,735/77,344,817.60
  6. Step 6: Final answer
    x = 88,880,429.16

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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.