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Finding the Fourth Proportional to 145,062, 217,926.54 and 103,044.24

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Solution

The fourth proportional to 145,062, 217,926.54 and 103,044.24 is: 154,803.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,062 : 217,926.54 = 103,044.24 : x
  2. Step 2: Convert to fraction form
    145,062/217,926.54 = 103,044.24/x
  3. Step 3: Cross multiply
    145,062x = 217,926.54 × 103,044.24
  4. Step 4: Simplify right side
    145,062x = 22,456,074,690.13
  5. Step 5: Solve for x
    x = 22,456,074,690.13/145,062
  6. Step 6: Final answer
    x = 154,803.29

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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.