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Finding the Fourth Proportional to 292,046.60, 438,123.98 and 92,417.24

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Solution

The fourth proportional to 292,046.60, 438,123.98 and 92,417.24 is: 138,642.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,046.60 : 438,123.98 = 92,417.24 : x
  2. Step 2: Convert to fraction form
    292,046.60/438,123.98 = 92,417.24/x
  3. Step 3: Cross multiply
    292,046.60x = 438,123.98 × 92,417.24
  4. Step 4: Simplify right side
    292,046.60x = 40,490,209,009.42
  5. Step 5: Solve for x
    x = 40,490,209,009.42/292,046.60
  6. Step 6: Final answer
    x = 138,642.97

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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.