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Finding the Fourth Proportional to 89,866,751.52, 134,807,794.43 and 31,569,334.58

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Solution

The fourth proportional to 89,866,751.52, 134,807,794.43 and 31,569,334.58 is: 47,356,695.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,866,751.52 : 134,807,794.43 = 31,569,334.58 : x
  2. Step 2: Convert to fraction form
    89,866,751.52/134,807,794.43 = 31,569,334.58/x
  3. Step 3: Cross multiply
    89,866,751.52x = 134,807,794.43 × 31,569,334.58
  4. Step 4: Simplify right side
    89,866,751.52x = 4,255,792,366,034,865.50
  5. Step 5: Solve for x
    x = 4,255,792,366,034,865.50/89,866,751.52
  6. Step 6: Final answer
    x = 47,356,695.26

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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.