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Finding the Fourth Proportional to 93,159.73, 139,564.63 and 72,281.17

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Solution

The fourth proportional to 93,159.73, 139,564.63 and 72,281.17 is: 108,286.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,159.73 : 139,564.63 = 72,281.17 : x
  2. Step 2: Convert to fraction form
    93,159.73/139,564.63 = 72,281.17/x
  3. Step 3: Cross multiply
    93,159.73x = 139,564.63 × 72,281.17
  4. Step 4: Simplify right side
    93,159.73x = 10,087,894,747.02
  5. Step 5: Solve for x
    x = 10,087,894,747.02/93,159.73
  6. Step 6: Final answer
    x = 108,286.00

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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.