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Finding the Fourth Proportional to 99,750.80, 149,557.08 and 37,404.56

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Solution

The fourth proportional to 99,750.80, 149,557.08 and 37,404.56 is: 56,080.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,750.80 : 149,557.08 = 37,404.56 : x
  2. Step 2: Convert to fraction form
    99,750.80/149,557.08 = 37,404.56/x
  3. Step 3: Cross multiply
    99,750.80x = 149,557.08 × 37,404.56
  4. Step 4: Simplify right side
    99,750.80x = 5,594,116,772.28
  5. Step 5: Solve for x
    x = 5,594,116,772.28/99,750.80
  6. Step 6: Final answer
    x = 56,080.92

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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.