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Finding the Fourth Proportional to 207,333.60, 311,000.40 and 88,984.80

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Solution

The fourth proportional to 207,333.60, 311,000.40 and 88,984.80 is: 133,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,333.60 : 311,000.40 = 88,984.80 : x
  2. Step 2: Convert to fraction form
    207,333.60/311,000.40 = 88,984.80/x
  3. Step 3: Cross multiply
    207,333.60x = 311,000.40 × 88,984.80
  4. Step 4: Simplify right side
    207,333.60x = 27,674,308,393.92
  5. Step 5: Solve for x
    x = 27,674,308,393.92/207,333.60
  6. Step 6: Final answer
    x = 133,477.20

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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.