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Finding the Fourth Proportional to 223,663.68, 308,397.24 and 178,306.20

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Solution

The fourth proportional to 223,663.68, 308,397.24 and 178,306.20 is: 245,856.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,663.68 : 308,397.24 = 178,306.20 : x
  2. Step 2: Convert to fraction form
    223,663.68/308,397.24 = 178,306.20/x
  3. Step 3: Cross multiply
    223,663.68x = 308,397.24 × 178,306.20
  4. Step 4: Simplify right side
    223,663.68x = 54,989,139,954.89
  5. Step 5: Solve for x
    x = 54,989,139,954.89/223,663.68
  6. Step 6: Final answer
    x = 245,856.37

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1.5x scale

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.