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Finding the Fourth Proportional to 153,195.71, 211,395.24 and 88,652.13

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Solution

The fourth proportional to 153,195.71, 211,395.24 and 88,652.13 is: 122,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,195.71 : 211,395.24 = 88,652.13 : x
  2. Step 2: Convert to fraction form
    153,195.71/211,395.24 = 88,652.13/x
  3. Step 3: Cross multiply
    153,195.71x = 211,395.24 × 88,652.13
  4. Step 4: Simplify right side
    153,195.71x = 18,740,638,349.01
  5. Step 5: Solve for x
    x = 18,740,638,349.01/153,195.71
  6. Step 6: Final answer
    x = 122,331.36

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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.