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Finding the Fourth Proportional to 93,639.30, 140,472.93 and 34,470.47

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Solution

The fourth proportional to 93,639.30, 140,472.93 and 34,470.47 is: 51,710.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,639.30 : 140,472.93 = 34,470.47 : x
  2. Step 2: Convert to fraction form
    93,639.30/140,472.93 = 34,470.47/x
  3. Step 3: Cross multiply
    93,639.30x = 140,472.93 × 34,470.47
  4. Step 4: Simplify right side
    93,639.30x = 4,842,167,415.77
  5. Step 5: Solve for x
    x = 4,842,167,415.77/93,639.30
  6. Step 6: Final answer
    x = 51,710.85

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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.