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Finding the Fourth Proportional to 93,587.92, 140,479.08 and 54,221.92

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Solution

The fourth proportional to 93,587.92, 140,479.08 and 54,221.92 is: 81,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,587.92 : 140,479.08 = 54,221.92 : x
  2. Step 2: Convert to fraction form
    93,587.92/140,479.08 = 54,221.92/x
  3. Step 3: Cross multiply
    93,587.92x = 140,479.08 × 54,221.92
  4. Step 4: Simplify right side
    93,587.92x = 7,617,045,437.43
  5. Step 5: Solve for x
    x = 7,617,045,437.43/93,587.92
  6. Step 6: Final answer
    x = 81,389.19

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1.5x scale

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.