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Finding the Fourth Proportional to 142,143.84, 213,425.55 and 95,052.60

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Solution

The fourth proportional to 142,143.84, 213,425.55 and 95,052.60 is: 142,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,143.84 : 213,425.55 = 95,052.60 : x
  2. Step 2: Convert to fraction form
    142,143.84/213,425.55 = 95,052.60/x
  3. Step 3: Cross multiply
    142,143.84x = 213,425.55 × 95,052.60
  4. Step 4: Simplify right side
    142,143.84x = 20,286,653,433.93
  5. Step 5: Solve for x
    x = 20,286,653,433.93/142,143.84
  6. Step 6: Final answer
    x = 142,719.19

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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.