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Finding the Fourth Proportional to 243,042.96, 335,422.48 and 147,527.76

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Solution

The fourth proportional to 243,042.96, 335,422.48 and 147,527.76 is: 203,602.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,042.96 : 335,422.48 = 147,527.76 : x
  2. Step 2: Convert to fraction form
    243,042.96/335,422.48 = 147,527.76/x
  3. Step 3: Cross multiply
    243,042.96x = 335,422.48 × 147,527.76
  4. Step 4: Simplify right side
    243,042.96x = 49,484,127,128.04
  5. Step 5: Solve for x
    x = 49,484,127,128.04/243,042.96
  6. Step 6: Final answer
    x = 203,602.39

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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.