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Finding the Fourth Proportional to 145,046.88, 217,473.75 and 73,995.30

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Solution

The fourth proportional to 145,046.88, 217,473.75 and 73,995.30 is: 110,943.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,046.88 : 217,473.75 = 73,995.30 : x
  2. Step 2: Convert to fraction form
    145,046.88/217,473.75 = 73,995.30/x
  3. Step 3: Cross multiply
    145,046.88x = 217,473.75 × 73,995.30
  4. Step 4: Simplify right side
    145,046.88x = 16,092,035,373.38
  5. Step 5: Solve for x
    x = 16,092,035,373.38/145,046.88
  6. Step 6: Final answer
    x = 110,943.69

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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.