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Finding the Fourth Proportional to 88,698.30, 133,047.45 and 36,080.70

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Solution

The fourth proportional to 88,698.30, 133,047.45 and 36,080.70 is: 54,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,698.30 : 133,047.45 = 36,080.70 : x
  2. Step 2: Convert to fraction form
    88,698.30/133,047.45 = 36,080.70/x
  3. Step 3: Cross multiply
    88,698.30x = 133,047.45 × 36,080.70
  4. Step 4: Simplify right side
    88,698.30x = 4,800,445,129.22
  5. Step 5: Solve for x
    x = 4,800,445,129.22/88,698.30
  6. Step 6: Final answer
    x = 54,121.05

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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.