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Finding the Fourth Proportional to 100,068.94, 150,275.13 and 88,849.63

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Solution

The fourth proportional to 100,068.94, 150,275.13 and 88,849.63 is: 133,426.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,068.94 : 150,275.13 = 88,849.63 : x
  2. Step 2: Convert to fraction form
    100,068.94/150,275.13 = 88,849.63/x
  3. Step 3: Cross multiply
    100,068.94x = 150,275.13 × 88,849.63
  4. Step 4: Simplify right side
    100,068.94x = 13,351,889,698.70
  5. Step 5: Solve for x
    x = 13,351,889,698.70/100,068.94
  6. Step 6: Final answer
    x = 133,426.91

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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.