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Finding the Fourth Proportional to 73,500.10, 110,250.15 and 69,417.70

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Solution

The fourth proportional to 73,500.10, 110,250.15 and 69,417.70 is: 104,126.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,500.10 : 110,250.15 = 69,417.70 : x
  2. Step 2: Convert to fraction form
    73,500.10/110,250.15 = 69,417.70/x
  3. Step 3: Cross multiply
    73,500.10x = 110,250.15 × 69,417.70
  4. Step 4: Simplify right side
    73,500.10x = 7,653,311,837.66
  5. Step 5: Solve for x
    x = 7,653,311,837.66/73,500.10
  6. Step 6: Final answer
    x = 104,126.55

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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.