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Finding the Fourth Proportional to 268,174.80, 370,098.72 and 147,316.32

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Solution

The fourth proportional to 268,174.80, 370,098.72 and 147,316.32 is: 203,306.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,174.80 : 370,098.72 = 147,316.32 : x
  2. Step 2: Convert to fraction form
    268,174.80/370,098.72 = 147,316.32/x
  3. Step 3: Cross multiply
    268,174.80x = 370,098.72 × 147,316.32
  4. Step 4: Simplify right side
    268,174.80x = 54,521,581,467.11
  5. Step 5: Solve for x
    x = 54,521,581,467.11/268,174.80
  6. Step 6: Final answer
    x = 203,306.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.