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Finding the Fourth Proportional to 153,885.91, 230,805.72 and 48,691.21

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Solution

The fourth proportional to 153,885.91, 230,805.72 and 48,691.21 is: 73,029.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,885.91 : 230,805.72 = 48,691.21 : x
  2. Step 2: Convert to fraction form
    153,885.91/230,805.72 = 48,691.21/x
  3. Step 3: Cross multiply
    153,885.91x = 230,805.72 × 48,691.21
  4. Step 4: Simplify right side
    153,885.91x = 11,238,209,781.72
  5. Step 5: Solve for x
    x = 11,238,209,781.72/153,885.91
  6. Step 6: Final answer
    x = 73,029.49

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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.