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Finding the Fourth Proportional to 93,229.48, 139,966.17 and 55,347.90

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Solution

The fourth proportional to 93,229.48, 139,966.17 and 55,347.90 is: 83,094.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,229.48 : 139,966.17 = 55,347.90 : x
  2. Step 2: Convert to fraction form
    93,229.48/139,966.17 = 55,347.90/x
  3. Step 3: Cross multiply
    93,229.48x = 139,966.17 × 55,347.90
  4. Step 4: Simplify right side
    93,229.48x = 7,746,833,303.80
  5. Step 5: Solve for x
    x = 7,746,833,303.80/93,229.48
  6. Step 6: Final answer
    x = 83,094.25

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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.