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Finding the Fourth Proportional to 127,417.44, 175,816.80 and 73,691.76

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Solution

The fourth proportional to 127,417.44, 175,816.80 and 73,691.76 is: 101,683.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,417.44 : 175,816.80 = 73,691.76 : x
  2. Step 2: Convert to fraction form
    127,417.44/175,816.80 = 73,691.76/x
  3. Step 3: Cross multiply
    127,417.44x = 175,816.80 × 73,691.76
  4. Step 4: Simplify right side
    127,417.44x = 12,956,249,429.57
  5. Step 5: Solve for x
    x = 12,956,249,429.57/127,417.44
  6. Step 6: Final answer
    x = 101,683.49

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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.