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Finding the Fourth Proportional to 239,381.10, 359,071.65 and 73,169.10

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Solution

The fourth proportional to 239,381.10, 359,071.65 and 73,169.10 is: 109,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,381.10 : 359,071.65 = 73,169.10 : x
  2. Step 2: Convert to fraction form
    239,381.10/359,071.65 = 73,169.10/x
  3. Step 3: Cross multiply
    239,381.10x = 359,071.65 × 73,169.10
  4. Step 4: Simplify right side
    239,381.10x = 26,272,949,466.02
  5. Step 5: Solve for x
    x = 26,272,949,466.02/239,381.10
  6. Step 6: Final answer
    x = 109,753.65

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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.