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Finding the Fourth Proportional to 181,396.75, 272,488.78 and 153,373.08

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Solution

The fourth proportional to 181,396.75, 272,488.78 and 153,373.08 is: 230,392.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,396.75 : 272,488.78 = 153,373.08 : x
  2. Step 2: Convert to fraction form
    181,396.75/272,488.78 = 153,373.08/x
  3. Step 3: Cross multiply
    181,396.75x = 272,488.78 × 153,373.08
  4. Step 4: Simplify right side
    181,396.75x = 41,792,443,454.04
  5. Step 5: Solve for x
    x = 41,792,443,454.04/181,396.75
  6. Step 6: Final answer
    x = 230,392.46

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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.