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Finding the Fourth Proportional to 67,118.88, 92,643.30 and 44,461.56

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Solution

The fourth proportional to 67,118.88, 92,643.30 and 44,461.56 is: 61,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,118.88 : 92,643.30 = 44,461.56 : x
  2. Step 2: Convert to fraction form
    67,118.88/92,643.30 = 44,461.56/x
  3. Step 3: Cross multiply
    67,118.88x = 92,643.30 × 44,461.56
  4. Step 4: Simplify right side
    67,118.88x = 4,119,065,641.55
  5. Step 5: Solve for x
    x = 4,119,065,641.55/67,118.88
  6. Step 6: Final answer
    x = 61,369.70

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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.