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Finding the Fourth Proportional to 293,106.72, 439,691.92 and 93,380.16

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Solution

The fourth proportional to 293,106.72, 439,691.92 and 93,380.16 is: 140,080.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,106.72 : 439,691.92 = 93,380.16 : x
  2. Step 2: Convert to fraction form
    293,106.72/439,691.92 = 93,380.16/x
  3. Step 3: Cross multiply
    293,106.72x = 439,691.92 × 93,380.16
  4. Step 4: Simplify right side
    293,106.72x = 41,058,501,840.31
  5. Step 5: Solve for x
    x = 41,058,501,840.31/293,106.72
  6. Step 6: Final answer
    x = 140,080.38

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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.