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Finding the Fourth Proportional to 181,337.20, 272,005.80 and 171,660.40

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Solution

The fourth proportional to 181,337.20, 272,005.80 and 171,660.40 is: 257,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,337.20 : 272,005.80 = 171,660.40 : x
  2. Step 2: Convert to fraction form
    181,337.20/272,005.80 = 171,660.40/x
  3. Step 3: Cross multiply
    181,337.20x = 272,005.80 × 171,660.40
  4. Step 4: Simplify right side
    181,337.20x = 46,692,624,430.32
  5. Step 5: Solve for x
    x = 46,692,624,430.32/181,337.20
  6. Step 6: Final answer
    x = 257,490.60

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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.