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Finding the Fourth Proportional to 153,039.56, 229,572.54 and 42,231.56

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Solution

The fourth proportional to 153,039.56, 229,572.54 and 42,231.56 is: 63,350.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,039.56 : 229,572.54 = 42,231.56 : x
  2. Step 2: Convert to fraction form
    153,039.56/229,572.54 = 42,231.56/x
  3. Step 3: Cross multiply
    153,039.56x = 229,572.54 × 42,231.56
  4. Step 4: Simplify right side
    153,039.56x = 9,695,206,497.36
  5. Step 5: Solve for x
    x = 9,695,206,497.36/153,039.56
  6. Step 6: Final answer
    x = 63,350.98

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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.