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Finding the Fourth Proportional to 292,065.74, 438,144.17 and 92,367.12

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Solution

The fourth proportional to 292,065.74, 438,144.17 and 92,367.12 is: 138,565.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,065.74 : 438,144.17 = 92,367.12 : x
  2. Step 2: Convert to fraction form
    292,065.74/438,144.17 = 92,367.12/x
  3. Step 3: Cross multiply
    292,065.74x = 438,144.17 × 92,367.12
  4. Step 4: Simplify right side
    292,065.74x = 40,470,115,127.69
  5. Step 5: Solve for x
    x = 40,470,115,127.69/292,065.74
  6. Step 6: Final answer
    x = 138,565.09

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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.