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Finding the Fourth Proportional to 148,952.16, 205,531.11 and 88,500.51

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Solution

The fourth proportional to 148,952.16, 205,531.11 and 88,500.51 is: 122,117.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,952.16 : 205,531.11 = 88,500.51 : x
  2. Step 2: Convert to fraction form
    148,952.16/205,531.11 = 88,500.51/x
  3. Step 3: Cross multiply
    148,952.16x = 205,531.11 × 88,500.51
  4. Step 4: Simplify right side
    148,952.16x = 18,189,608,055.87
  5. Step 5: Solve for x
    x = 18,189,608,055.87/148,952.16
  6. Step 6: Final answer
    x = 122,117.12

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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.