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Finding the Fourth Proportional to 148,472.84, 204,900.90 and 88,079.24

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Solution

The fourth proportional to 148,472.84, 204,900.90 and 88,079.24 is: 121,554.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,472.84 : 204,900.90 = 88,079.24 : x
  2. Step 2: Convert to fraction form
    148,472.84/204,900.90 = 88,079.24/x
  3. Step 3: Cross multiply
    148,472.84x = 204,900.90 × 88,079.24
  4. Step 4: Simplify right side
    148,472.84x = 18,047,515,547.32
  5. Step 5: Solve for x
    x = 18,047,515,547.32/148,472.84
  6. Step 6: Final answer
    x = 121,554.32

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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.