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Finding the Fourth Proportional to 181,502.60, 272,035.20 and 92,710.40

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Solution

The fourth proportional to 181,502.60, 272,035.20 and 92,710.40 is: 138,953.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,502.60 : 272,035.20 = 92,710.40 : x
  2. Step 2: Convert to fraction form
    181,502.60/272,035.20 = 92,710.40/x
  3. Step 3: Cross multiply
    181,502.60x = 272,035.20 × 92,710.40
  4. Step 4: Simplify right side
    181,502.60x = 25,220,492,206.08
  5. Step 5: Solve for x
    x = 25,220,492,206.08/181,502.60
  6. Step 6: Final answer
    x = 138,953.89

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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.