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Finding the Fourth Proportional to 160,408.19, 240,593.80 and 42,088.76

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Solution

The fourth proportional to 160,408.19, 240,593.80 and 42,088.76 is: 63,128.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,408.19 : 240,593.80 = 42,088.76 : x
  2. Step 2: Convert to fraction form
    160,408.19/240,593.80 = 42,088.76/x
  3. Step 3: Cross multiply
    160,408.19x = 240,593.80 × 42,088.76
  4. Step 4: Simplify right side
    160,408.19x = 10,126,294,705.69
  5. Step 5: Solve for x
    x = 10,126,294,705.69/160,408.19
  6. Step 6: Final answer
    x = 63,128.29

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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.