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Finding the Fourth Proportional to 180,052.70, 248,451.52 and 99,475.42

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Solution

The fourth proportional to 180,052.70, 248,451.52 and 99,475.42 is: 137,264.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,052.70 : 248,451.52 = 99,475.42 : x
  2. Step 2: Convert to fraction form
    180,052.70/248,451.52 = 99,475.42/x
  3. Step 3: Cross multiply
    180,052.70x = 248,451.52 × 99,475.42
  4. Step 4: Simplify right side
    180,052.70x = 24,714,819,301.64
  5. Step 5: Solve for x
    x = 24,714,819,301.64/180,052.70
  6. Step 6: Final answer
    x = 137,264.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.