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Finding the Fourth Proportional to 73,228.08, 101,106.80 and 57,891.72

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Solution

The fourth proportional to 73,228.08, 101,106.80 and 57,891.72 is: 79,931.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,228.08 : 101,106.80 = 57,891.72 : x
  2. Step 2: Convert to fraction form
    73,228.08/101,106.80 = 57,891.72/x
  3. Step 3: Cross multiply
    73,228.08x = 101,106.80 × 57,891.72
  4. Step 4: Simplify right side
    73,228.08x = 5,853,246,555.70
  5. Step 5: Solve for x
    x = 5,853,246,555.70/73,228.08
  6. Step 6: Final answer
    x = 79,931.72

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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.