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Finding the Fourth Proportional to 104,992.60, 157,488.90 and 63,002.20

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Solution

The fourth proportional to 104,992.60, 157,488.90 and 63,002.20 is: 94,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,992.60 : 157,488.90 = 63,002.20 : x
  2. Step 2: Convert to fraction form
    104,992.60/157,488.90 = 63,002.20/x
  3. Step 3: Cross multiply
    104,992.60x = 157,488.90 × 63,002.20
  4. Step 4: Simplify right side
    104,992.60x = 9,922,147,175.58
  5. Step 5: Solve for x
    x = 9,922,147,175.58/104,992.60
  6. Step 6: Final answer
    x = 94,503.30

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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.