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Finding the Fourth Proportional to 116,726.60, 174,980.28 and 88,220

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Solution

The fourth proportional to 116,726.60, 174,980.28 and 88,220 is: 132,247.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,726.60 : 174,980.28 = 88,220 : x
  2. Step 2: Convert to fraction form
    116,726.60/174,980.28 = 88,220/x
  3. Step 3: Cross multiply
    116,726.60x = 174,980.28 × 88,220
  4. Step 4: Simplify right side
    116,726.60x = 15,436,760,301.60
  5. Step 5: Solve for x
    x = 15,436,760,301.60/116,726.60
  6. Step 6: Final answer
    x = 132,247.15

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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.