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Finding the Fourth Proportional to 97,894.20, 146,841.30 and 74,566.20

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Solution

The fourth proportional to 97,894.20, 146,841.30 and 74,566.20 is: 111,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,894.20 : 146,841.30 = 74,566.20 : x
  2. Step 2: Convert to fraction form
    97,894.20/146,841.30 = 74,566.20/x
  3. Step 3: Cross multiply
    97,894.20x = 146,841.30 × 74,566.20
  4. Step 4: Simplify right side
    97,894.20x = 10,949,397,744.06
  5. Step 5: Solve for x
    x = 10,949,397,744.06/97,894.20
  6. Step 6: Final answer
    x = 111,849.30

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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.