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Finding the Fourth Proportional to 67,153.60, 100,615.20 and 32,017.60

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Solution

The fourth proportional to 67,153.60, 100,615.20 and 32,017.60 is: 47,971.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,153.60 : 100,615.20 = 32,017.60 : x
  2. Step 2: Convert to fraction form
    67,153.60/100,615.20 = 32,017.60/x
  3. Step 3: Cross multiply
    67,153.60x = 100,615.20 × 32,017.60
  4. Step 4: Simplify right side
    67,153.60x = 3,221,457,227.52
  5. Step 5: Solve for x
    x = 3,221,457,227.52/67,153.60
  6. Step 6: Final answer
    x = 47,971.47

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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.