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Finding the Fourth Proportional to 104,689.80, 144,452.34 and 62,258.76

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Solution

The fourth proportional to 104,689.80, 144,452.34 and 62,258.76 is: 85,905.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,689.80 : 144,452.34 = 62,258.76 : x
  2. Step 2: Convert to fraction form
    104,689.80/144,452.34 = 62,258.76/x
  3. Step 3: Cross multiply
    104,689.80x = 144,452.34 × 62,258.76
  4. Step 4: Simplify right side
    104,689.80x = 8,993,423,567.50
  5. Step 5: Solve for x
    x = 8,993,423,567.50/104,689.80
  6. Step 6: Final answer
    x = 85,905.44

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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.