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Finding the Fourth Proportional to 145,275.66, 217,926.03 and 40,094.63

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Solution

The fourth proportional to 145,275.66, 217,926.03 and 40,094.63 is: 60,145.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,275.66 : 217,926.03 = 40,094.63 : x
  2. Step 2: Convert to fraction form
    145,275.66/217,926.03 = 40,094.63/x
  3. Step 3: Cross multiply
    145,275.66x = 217,926.03 × 40,094.63
  4. Step 4: Simplify right side
    145,275.66x = 8,737,663,540.22
  5. Step 5: Solve for x
    x = 8,737,663,540.22/145,275.66
  6. Step 6: Final answer
    x = 60,145.41

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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.