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Finding the Fourth Proportional to 160,098, 220,939.65 and 88,482.66

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Solution

The fourth proportional to 160,098, 220,939.65 and 88,482.66 is: 122,108.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,098 : 220,939.65 = 88,482.66 : x
  2. Step 2: Convert to fraction form
    160,098/220,939.65 = 88,482.66/x
  3. Step 3: Cross multiply
    160,098x = 220,939.65 × 88,482.66
  4. Step 4: Simplify right side
    160,098x = 19,549,327,931.47
  5. Step 5: Solve for x
    x = 19,549,327,931.47/160,098
  6. Step 6: Final answer
    x = 122,108.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.