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Finding the Fourth Proportional to 164,691.80, 227,275.48 and 89,240.30

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Solution

The fourth proportional to 164,691.80, 227,275.48 and 89,240.30 is: 123,152.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,691.80 : 227,275.48 = 89,240.30 : x
  2. Step 2: Convert to fraction form
    164,691.80/227,275.48 = 89,240.30/x
  3. Step 3: Cross multiply
    164,691.80x = 227,275.48 × 89,240.30
  4. Step 4: Simplify right side
    164,691.80x = 20,282,132,017.84
  5. Step 5: Solve for x
    x = 20,282,132,017.84/164,691.80
  6. Step 6: Final answer
    x = 123,152.05

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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.