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Finding the Fourth Proportional to 152,952.58, 211,251.18 and 101,881.18

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Solution

The fourth proportional to 152,952.58, 211,251.18 and 101,881.18 is: 140,713.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,952.58 : 211,251.18 = 101,881.18 : x
  2. Step 2: Convert to fraction form
    152,952.58/211,251.18 = 101,881.18/x
  3. Step 3: Cross multiply
    152,952.58x = 211,251.18 × 101,881.18
  4. Step 4: Simplify right side
    152,952.58x = 21,522,519,494.79
  5. Step 5: Solve for x
    x = 21,522,519,494.79/152,952.58
  6. Step 6: Final answer
    x = 140,713.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.