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Finding the Fourth Proportional to 79,248.39, 109,365.84 and 43,437.66

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Solution

The fourth proportional to 79,248.39, 109,365.84 and 43,437.66 is: 59,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,248.39 : 109,365.84 = 43,437.66 : x
  2. Step 2: Convert to fraction form
    79,248.39/109,365.84 = 43,437.66/x
  3. Step 3: Cross multiply
    79,248.39x = 109,365.84 × 43,437.66
  4. Step 4: Simplify right side
    79,248.39x = 4,750,596,173.53
  5. Step 5: Solve for x
    x = 4,750,596,173.53/79,248.39
  6. Step 6: Final answer
    x = 59,945.65

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1.5x scale

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.