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Finding the Fourth Proportional to 110,962.08, 153,127.80 and 60,661.08

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Solution

The fourth proportional to 110,962.08, 153,127.80 and 60,661.08 is: 83,712.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,962.08 : 153,127.80 = 60,661.08 : x
  2. Step 2: Convert to fraction form
    110,962.08/153,127.80 = 60,661.08/x
  3. Step 3: Cross multiply
    110,962.08x = 153,127.80 × 60,661.08
  4. Step 4: Simplify right side
    110,962.08x = 9,288,897,726.02
  5. Step 5: Solve for x
    x = 9,288,897,726.02/110,962.08
  6. Step 6: Final answer
    x = 83,712.36

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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.