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Finding the Fourth Proportional to 74,773.40, 112,159.52 and 22,178.48

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Solution

The fourth proportional to 74,773.40, 112,159.52 and 22,178.48 is: 33,267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,773.40 : 112,159.52 = 22,178.48 : x
  2. Step 2: Convert to fraction form
    74,773.40/112,159.52 = 22,178.48/x
  3. Step 3: Cross multiply
    74,773.40x = 112,159.52 × 22,178.48
  4. Step 4: Simplify right side
    74,773.40x = 2,487,527,671.13
  5. Step 5: Solve for x
    x = 2,487,527,671.13/74,773.40
  6. Step 6: Final answer
    x = 33,267.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.