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Finding the Fourth Proportional to 88,699.80, 133,065.90 and 36,114.60

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Solution

The fourth proportional to 88,699.80, 133,065.90 and 36,114.60 is: 54,178.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,699.80 : 133,065.90 = 36,114.60 : x
  2. Step 2: Convert to fraction form
    88,699.80/133,065.90 = 36,114.60/x
  3. Step 3: Cross multiply
    88,699.80x = 133,065.90 × 36,114.60
  4. Step 4: Simplify right side
    88,699.80x = 4,805,621,752.14
  5. Step 5: Solve for x
    x = 4,805,621,752.14/88,699.80
  6. Step 6: Final answer
    x = 54,178.50

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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.