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Finding the Fourth Proportional to 292,732.76, 439,100.20 and 71,116.76

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Solution

The fourth proportional to 292,732.76, 439,100.20 and 71,116.76 is: 106,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,732.76 : 439,100.20 = 71,116.76 : x
  2. Step 2: Convert to fraction form
    292,732.76/439,100.20 = 71,116.76/x
  3. Step 3: Cross multiply
    292,732.76x = 439,100.20 × 71,116.76
  4. Step 4: Simplify right side
    292,732.76x = 31,227,383,539.35
  5. Step 5: Solve for x
    x = 31,227,383,539.35/292,732.76
  6. Step 6: Final answer
    x = 106,675.40

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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.