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Finding the Fourth Proportional to 104,693.80, 144,495.78 and 62,276.20

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Solution

The fourth proportional to 104,693.80, 144,495.78 and 62,276.20 is: 85,952.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,693.80 : 144,495.78 = 62,276.20 : x
  2. Step 2: Convert to fraction form
    104,693.80/144,495.78 = 62,276.20/x
  3. Step 3: Cross multiply
    104,693.80x = 144,495.78 × 62,276.20
  4. Step 4: Simplify right side
    104,693.80x = 8,998,648,094.44
  5. Step 5: Solve for x
    x = 8,998,648,094.44/104,693.80
  6. Step 6: Final answer
    x = 85,952.06

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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.