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Finding the Fourth Proportional to 152,286.76, 210,251.04 and 97,860.96

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Solution

The fourth proportional to 152,286.76, 210,251.04 and 97,860.96 is: 135,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,286.76 : 210,251.04 = 97,860.96 : x
  2. Step 2: Convert to fraction form
    152,286.76/210,251.04 = 97,860.96/x
  3. Step 3: Cross multiply
    152,286.76x = 210,251.04 × 97,860.96
  4. Step 4: Simplify right side
    152,286.76x = 20,575,368,615.40
  5. Step 5: Solve for x
    x = 20,575,368,615.40/152,286.76
  6. Step 6: Final answer
    x = 135,109.37

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1.5x scale

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.