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Finding the Fourth Proportional to 185,615.70, 278,423.55 and 60,956.70

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Solution

The fourth proportional to 185,615.70, 278,423.55 and 60,956.70 is: 91,435.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,615.70 : 278,423.55 = 60,956.70 : x
  2. Step 2: Convert to fraction form
    185,615.70/278,423.55 = 60,956.70/x
  3. Step 3: Cross multiply
    185,615.70x = 278,423.55 × 60,956.70
  4. Step 4: Simplify right side
    185,615.70x = 16,971,780,810.29
  5. Step 5: Solve for x
    x = 16,971,780,810.29/185,615.70
  6. Step 6: Final answer
    x = 91,435.05

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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.