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Finding the Fourth Proportional to 99,608.60, 149,211.30 and 62,053.40

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Solution

The fourth proportional to 99,608.60, 149,211.30 and 62,053.40 is: 92,954.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,608.60 : 149,211.30 = 62,053.40 : x
  2. Step 2: Convert to fraction form
    99,608.60/149,211.30 = 62,053.40/x
  3. Step 3: Cross multiply
    99,608.60x = 149,211.30 × 62,053.40
  4. Step 4: Simplify right side
    99,608.60x = 9,259,068,483.42
  5. Step 5: Solve for x
    x = 9,259,068,483.42/99,608.60
  6. Step 6: Final answer
    x = 92,954.51

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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.