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Finding the Fourth Proportional to 173,689.91, 239,805.72 and 133,613.13

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Solution

The fourth proportional to 173,689.91, 239,805.72 and 133,613.13 is: 184,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,689.91 : 239,805.72 = 133,613.13 : x
  2. Step 2: Convert to fraction form
    173,689.91/239,805.72 = 133,613.13/x
  3. Step 3: Cross multiply
    173,689.91x = 239,805.72 × 133,613.13
  4. Step 4: Simplify right side
    173,689.91x = 32,041,192,841.10
  5. Step 5: Solve for x
    x = 32,041,192,841.10/173,689.91
  6. Step 6: Final answer
    x = 184,473.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.