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Finding the Fourth Proportional to 132,275.67, 182,541.77 and 71,847.50

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Solution

The fourth proportional to 132,275.67, 182,541.77 and 71,847.50 is: 99,150.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,275.67 : 182,541.77 = 71,847.50 : x
  2. Step 2: Convert to fraction form
    132,275.67/182,541.77 = 71,847.50/x
  3. Step 3: Cross multiply
    132,275.67x = 182,541.77 × 71,847.50
  4. Step 4: Simplify right side
    132,275.67x = 13,115,168,548.13
  5. Step 5: Solve for x
    x = 13,115,168,548.13/132,275.67
  6. Step 6: Final answer
    x = 99,150.27

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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.