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Finding the Fourth Proportional to 112,488.48, 155,227.44 and 62,184.48

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Solution

The fourth proportional to 112,488.48, 155,227.44 and 62,184.48 is: 85,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,488.48 : 155,227.44 = 62,184.48 : x
  2. Step 2: Convert to fraction form
    112,488.48/155,227.44 = 62,184.48/x
  3. Step 3: Cross multiply
    112,488.48x = 155,227.44 × 62,184.48
  4. Step 4: Simplify right side
    112,488.48x = 9,652,737,638.13
  5. Step 5: Solve for x
    x = 9,652,737,638.13/112,488.48
  6. Step 6: Final answer
    x = 85,810.90

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1.5x scale

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.