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Finding the Fourth Proportional to 97,695.60, 146,543.40 and 67,628.40

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Solution

The fourth proportional to 97,695.60, 146,543.40 and 67,628.40 is: 101,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,695.60 : 146,543.40 = 67,628.40 : x
  2. Step 2: Convert to fraction form
    97,695.60/146,543.40 = 67,628.40/x
  3. Step 3: Cross multiply
    97,695.60x = 146,543.40 × 67,628.40
  4. Step 4: Simplify right side
    97,695.60x = 9,910,495,672.56
  5. Step 5: Solve for x
    x = 9,910,495,672.56/97,695.60
  6. Step 6: Final answer
    x = 101,442.60

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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.