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Finding the Fourth Proportional to 134,345.16, 201,472.56 and 67,742.76

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Solution

The fourth proportional to 134,345.16, 201,472.56 and 67,742.76 is: 101,591.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,345.16 : 201,472.56 = 67,742.76 : x
  2. Step 2: Convert to fraction form
    134,345.16/201,472.56 = 67,742.76/x
  3. Step 3: Cross multiply
    134,345.16x = 201,472.56 × 67,742.76
  4. Step 4: Simplify right side
    134,345.16x = 13,648,307,278.67
  5. Step 5: Solve for x
    x = 13,648,307,278.67/134,345.16
  6. Step 6: Final answer
    x = 101,591.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.