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Finding the Fourth Proportional to 132,319.98, 182,602.80 and 71,891.10

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Solution

The fourth proportional to 132,319.98, 182,602.80 and 71,891.10 is: 99,210.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,319.98 : 182,602.80 = 71,891.10 : x
  2. Step 2: Convert to fraction form
    132,319.98/182,602.80 = 71,891.10/x
  3. Step 3: Cross multiply
    132,319.98x = 182,602.80 × 71,891.10
  4. Step 4: Simplify right side
    132,319.98x = 13,127,516,155.08
  5. Step 5: Solve for x
    x = 13,127,516,155.08/132,319.98
  6. Step 6: Final answer
    x = 99,210.38

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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.