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Finding the Fourth Proportional to 67,435.80, 101,067.30 and 60,005.40

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Solution

The fourth proportional to 67,435.80, 101,067.30 and 60,005.40 is: 89,931.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,435.80 : 101,067.30 = 60,005.40 : x
  2. Step 2: Convert to fraction form
    67,435.80/101,067.30 = 60,005.40/x
  3. Step 3: Cross multiply
    67,435.80x = 101,067.30 × 60,005.40
  4. Step 4: Simplify right side
    67,435.80x = 6,064,583,763.42
  5. Step 5: Solve for x
    x = 6,064,583,763.42/67,435.80
  6. Step 6: Final answer
    x = 89,931.22

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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.