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Finding the Fourth Proportional to 67,713.60, 101,570.40 and 48,014.40

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Solution

The fourth proportional to 67,713.60, 101,570.40 and 48,014.40 is: 72,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,713.60 : 101,570.40 = 48,014.40 : x
  2. Step 2: Convert to fraction form
    67,713.60/101,570.40 = 48,014.40/x
  3. Step 3: Cross multiply
    67,713.60x = 101,570.40 × 48,014.40
  4. Step 4: Simplify right side
    67,713.60x = 4,876,841,813.76
  5. Step 5: Solve for x
    x = 4,876,841,813.76/67,713.60
  6. Step 6: Final answer
    x = 72,021.60

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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.