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Finding the Fourth Proportional to 153,041.56, 229,575.54 and 42,233.56

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Solution

The fourth proportional to 153,041.56, 229,575.54 and 42,233.56 is: 63,353.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,041.56 : 229,575.54 = 42,233.56 : x
  2. Step 2: Convert to fraction form
    153,041.56/229,575.54 = 42,233.56/x
  3. Step 3: Cross multiply
    153,041.56x = 229,575.54 × 42,233.56
  4. Step 4: Simplify right side
    153,041.56x = 9,695,792,343.12
  5. Step 5: Solve for x
    x = 9,695,792,343.12/153,041.56
  6. Step 6: Final answer
    x = 63,353.98

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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.