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Finding the Fourth Proportional to 149,155.66, 223,600.80 and 54,368.04

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Solution

The fourth proportional to 149,155.66, 223,600.80 and 54,368.04 is: 81,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,155.66 : 223,600.80 = 54,368.04 : x
  2. Step 2: Convert to fraction form
    149,155.66/223,600.80 = 54,368.04/x
  3. Step 3: Cross multiply
    149,155.66x = 223,600.80 × 54,368.04
  4. Step 4: Simplify right side
    149,155.66x = 12,156,738,280.82
  5. Step 5: Solve for x
    x = 12,156,738,280.82/149,155.66
  6. Step 6: Final answer
    x = 81,503.70

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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.