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Finding the Fourth Proportional to 110,177.52, 152,026.20 and 62,421

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Solution

The fourth proportional to 110,177.52, 152,026.20 and 62,421 is: 86,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,177.52 : 152,026.20 = 62,421 : x
  2. Step 2: Convert to fraction form
    110,177.52/152,026.20 = 62,421/x
  3. Step 3: Cross multiply
    110,177.52x = 152,026.20 × 62,421
  4. Step 4: Simplify right side
    110,177.52x = 9,489,627,430.20
  5. Step 5: Solve for x
    x = 9,489,627,430.20/110,177.52
  6. Step 6: Final answer
    x = 86,130.34

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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.