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Finding the Fourth Proportional to 169,260.61, 253,989.33 and 133,503.16

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Solution

The fourth proportional to 169,260.61, 253,989.33 and 133,503.16 is: 200,332.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,260.61 : 253,989.33 = 133,503.16 : x
  2. Step 2: Convert to fraction form
    169,260.61/253,989.33 = 133,503.16/x
  3. Step 3: Cross multiply
    169,260.61x = 253,989.33 × 133,503.16
  4. Step 4: Simplify right side
    169,260.61x = 33,908,378,645.65
  5. Step 5: Solve for x
    x = 33,908,378,645.65/169,260.61
  6. Step 6: Final answer
    x = 200,332.37

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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.