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Finding the Fourth Proportional to 89,296.40, 133,750.20 and 89,296.40

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Solution

The fourth proportional to 89,296.40, 133,750.20 and 89,296.40 is: 133,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,296.40 : 133,750.20 = 89,296.40 : x
  2. Step 2: Convert to fraction form
    89,296.40/133,750.20 = 89,296.40/x
  3. Step 3: Cross multiply
    89,296.40x = 133,750.20 × 89,296.40
  4. Step 4: Simplify right side
    89,296.40x = 11,943,411,359.28
  5. Step 5: Solve for x
    x = 11,943,411,359.28/89,296.40
  6. Step 6: Final answer
    x = 133,750.20

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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.