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Finding the Fourth Proportional to 75,495.42, 112,836.42 and 65,932.74

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Solution

The fourth proportional to 75,495.42, 112,836.42 and 65,932.74 is: 98,543.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,495.42 : 112,836.42 = 65,932.74 : x
  2. Step 2: Convert to fraction form
    75,495.42/112,836.42 = 65,932.74/x
  3. Step 3: Cross multiply
    75,495.42x = 112,836.42 × 65,932.74
  4. Step 4: Simplify right side
    75,495.42x = 7,439,614,342.39
  5. Step 5: Solve for x
    x = 7,439,614,342.39/75,495.42
  6. Step 6: Final answer
    x = 98,543.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.