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Finding the Fourth Proportional to 181,565.40, 272,117.70 and 160,829.40

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Solution

The fourth proportional to 181,565.40, 272,117.70 and 160,829.40 is: 241,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,565.40 : 272,117.70 = 160,829.40 : x
  2. Step 2: Convert to fraction form
    181,565.40/272,117.70 = 160,829.40/x
  3. Step 3: Cross multiply
    181,565.40x = 272,117.70 × 160,829.40
  4. Step 4: Simplify right side
    181,565.40x = 43,764,526,420.38
  5. Step 5: Solve for x
    x = 43,764,526,420.38/181,565.40
  6. Step 6: Final answer
    x = 241,040.01

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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.