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Finding the Fourth Proportional to 223,460.52, 308,357.28 and 131,565.30

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Solution

The fourth proportional to 223,460.52, 308,357.28 and 131,565.30 is: 181,549.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,460.52 : 308,357.28 = 131,565.30 : x
  2. Step 2: Convert to fraction form
    223,460.52/308,357.28 = 131,565.30/x
  3. Step 3: Cross multiply
    223,460.52x = 308,357.28 × 131,565.30
  4. Step 4: Simplify right side
    223,460.52x = 40,569,118,050.38
  5. Step 5: Solve for x
    x = 40,569,118,050.38/223,460.52
  6. Step 6: Final answer
    x = 181,549.38

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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.