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Finding the Fourth Proportional to 160,543.80, 240,742.80 and 60,670.80

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Solution

The fourth proportional to 160,543.80, 240,742.80 and 60,670.80 is: 90,978.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,543.80 : 240,742.80 = 60,670.80 : x
  2. Step 2: Convert to fraction form
    160,543.80/240,742.80 = 60,670.80/x
  3. Step 3: Cross multiply
    160,543.80x = 240,742.80 × 60,670.80
  4. Step 4: Simplify right side
    160,543.80x = 14,606,058,270.24
  5. Step 5: Solve for x
    x = 14,606,058,270.24/160,543.80
  6. Step 6: Final answer
    x = 90,978.65

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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.