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Finding the Fourth Proportional to 148,602.48, 204,966.40 and 88,124.64

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Solution

The fourth proportional to 148,602.48, 204,966.40 and 88,124.64 is: 121,549.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,602.48 : 204,966.40 = 88,124.64 : x
  2. Step 2: Convert to fraction form
    148,602.48/204,966.40 = 88,124.64/x
  3. Step 3: Cross multiply
    148,602.48x = 204,966.40 × 88,124.64
  4. Step 4: Simplify right side
    148,602.48x = 18,062,590,212.10
  5. Step 5: Solve for x
    x = 18,062,590,212.10/148,602.48
  6. Step 6: Final answer
    x = 121,549.72

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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.