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Finding the Fourth Proportional to 292,184.66, 438,233.13 and 92,479.16

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Solution

The fourth proportional to 292,184.66, 438,233.13 and 92,479.16 is: 138,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,184.66 : 438,233.13 = 92,479.16 : x
  2. Step 2: Convert to fraction form
    292,184.66/438,233.13 = 92,479.16/x
  3. Step 3: Cross multiply
    292,184.66x = 438,233.13 × 92,479.16
  4. Step 4: Simplify right side
    292,184.66x = 40,527,429,555.41
  5. Step 5: Solve for x
    x = 40,527,429,555.41/292,184.66
  6. Step 6: Final answer
    x = 138,704.85

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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.