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Finding the Fourth Proportional to 181,698.40, 272,029.20 and 160,962.40

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Solution

The fourth proportional to 181,698.40, 272,029.20 and 160,962.40 is: 240,984.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,698.40 : 272,029.20 = 160,962.40 : x
  2. Step 2: Convert to fraction form
    181,698.40/272,029.20 = 160,962.40/x
  3. Step 3: Cross multiply
    181,698.40x = 272,029.20 × 160,962.40
  4. Step 4: Simplify right side
    181,698.40x = 43,786,472,902.08
  5. Step 5: Solve for x
    x = 43,786,472,902.08/181,698.40
  6. Step 6: Final answer
    x = 240,984.36

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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.