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Finding the Fourth Proportional to 153,042.48, 229,576.96 and 42,234.48

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Solution

The fourth proportional to 153,042.48, 229,576.96 and 42,234.48 is: 63,355.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,042.48 : 229,576.96 = 42,234.48 : x
  2. Step 2: Convert to fraction form
    153,042.48/229,576.96 = 42,234.48/x
  3. Step 3: Cross multiply
    153,042.48x = 229,576.96 × 42,234.48
  4. Step 4: Simplify right side
    153,042.48x = 9,696,063,525.58
  5. Step 5: Solve for x
    x = 9,696,063,525.58/153,042.48
  6. Step 6: Final answer
    x = 63,355.37

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1.5x scale

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.