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Finding the Fourth Proportional to 59,870,606.40, 89,679,938.40 and 49,792,910.40

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Solution

The fourth proportional to 59,870,606.40, 89,679,938.40 and 49,792,910.40 is: 74,584,598.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,870,606.40 : 89,679,938.40 = 49,792,910.40 : x
  2. Step 2: Convert to fraction form
    59,870,606.40/89,679,938.40 = 49,792,910.40/x
  3. Step 3: Cross multiply
    59,870,606.40x = 89,679,938.40 × 49,792,910.40
  4. Step 4: Simplify right side
    59,870,606.40x = 4,465,425,137,428,719.50
  5. Step 5: Solve for x
    x = 4,465,425,137,428,719.50/59,870,606.40
  6. Step 6: Final answer
    x = 74,584,598.45

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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.