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Finding the Fourth Proportional to 88,559.34, 132,252.02 and 77,828.46

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Solution

The fourth proportional to 88,559.34, 132,252.02 and 77,828.46 is: 116,226.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,559.34 : 132,252.02 = 77,828.46 : x
  2. Step 2: Convert to fraction form
    88,559.34/132,252.02 = 77,828.46/x
  3. Step 3: Cross multiply
    88,559.34x = 132,252.02 × 77,828.46
  4. Step 4: Simplify right side
    88,559.34x = 10,292,970,659.35
  5. Step 5: Solve for x
    x = 10,292,970,659.35/88,559.34
  6. Step 6: Final answer
    x = 116,226.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.