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Finding the Fourth Proportional to 60,148.95, 90,244.35 and 26,865.78

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Solution

The fourth proportional to 60,148.95, 90,244.35 and 26,865.78 is: 40,308.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,148.95 : 90,244.35 = 26,865.78 : x
  2. Step 2: Convert to fraction form
    60,148.95/90,244.35 = 26,865.78/x
  3. Step 3: Cross multiply
    60,148.95x = 90,244.35 × 26,865.78
  4. Step 4: Simplify right side
    60,148.95x = 2,424,484,853.34
  5. Step 5: Solve for x
    x = 2,424,484,853.34/60,148.95
  6. Step 6: Final answer
    x = 40,308.02

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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.