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Finding the Fourth Proportional to 100,088.19, 150,304.01 and 88,868.88

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Solution

The fourth proportional to 100,088.19, 150,304.01 and 88,868.88 is: 133,455.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,088.19 : 150,304.01 = 88,868.88 : x
  2. Step 2: Convert to fraction form
    100,088.19/150,304.01 = 88,868.88/x
  3. Step 3: Cross multiply
    100,088.19x = 150,304.01 × 88,868.88
  4. Step 4: Simplify right side
    100,088.19x = 13,357,348,583.86
  5. Step 5: Solve for x
    x = 13,357,348,583.86/100,088.19
  6. Step 6: Final answer
    x = 133,455.79

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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.