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Finding the Fourth Proportional to 123,333.60, 185,000.40 and 73,437.60

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Solution

The fourth proportional to 123,333.60, 185,000.40 and 73,437.60 is: 110,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,333.60 : 185,000.40 = 73,437.60 : x
  2. Step 2: Convert to fraction form
    123,333.60/185,000.40 = 73,437.60/x
  3. Step 3: Cross multiply
    123,333.60x = 185,000.40 × 73,437.60
  4. Step 4: Simplify right side
    123,333.60x = 13,585,985,375.04
  5. Step 5: Solve for x
    x = 13,585,985,375.04/123,333.60
  6. Step 6: Final answer
    x = 110,156.40

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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.