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Finding the Fourth Proportional to 181,526.80, 272,059.80 and 161,712.40

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Solution

The fourth proportional to 181,526.80, 272,059.80 and 161,712.40 is: 242,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,526.80 : 272,059.80 = 161,712.40 : x
  2. Step 2: Convert to fraction form
    181,526.80/272,059.80 = 161,712.40/x
  3. Step 3: Cross multiply
    181,526.80x = 272,059.80 × 161,712.40
  4. Step 4: Simplify right side
    181,526.80x = 43,995,443,201.52
  5. Step 5: Solve for x
    x = 43,995,443,201.52/181,526.80
  6. Step 6: Final answer
    x = 242,363.35

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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.