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Finding the Fourth Proportional to 133,068.90, 199,700.55 and 88,680.90

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Solution

The fourth proportional to 133,068.90, 199,700.55 and 88,680.90 is: 133,086.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,068.90 : 199,700.55 = 88,680.90 : x
  2. Step 2: Convert to fraction form
    133,068.90/199,700.55 = 88,680.90/x
  3. Step 3: Cross multiply
    133,068.90x = 199,700.55 × 88,680.90
  4. Step 4: Simplify right side
    133,068.90x = 17,709,624,504.50
  5. Step 5: Solve for x
    x = 17,709,624,504.50/133,068.90
  6. Step 6: Final answer
    x = 133,086.13

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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.