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Finding the Fourth Proportional to 99,195.60, 148,574.70 and 88,114.80

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Solution

The fourth proportional to 99,195.60, 148,574.70 and 88,114.80 is: 131,977.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,195.60 : 148,574.70 = 88,114.80 : x
  2. Step 2: Convert to fraction form
    99,195.60/148,574.70 = 88,114.80/x
  3. Step 3: Cross multiply
    99,195.60x = 148,574.70 × 88,114.80
  4. Step 4: Simplify right side
    99,195.60x = 13,091,629,975.56
  5. Step 5: Solve for x
    x = 13,091,629,975.56/99,195.60
  6. Step 6: Final answer
    x = 131,977.93

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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.