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Finding the Fourth Proportional to 60,606.45, 90,785.74 and 49,401.72

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Solution

The fourth proportional to 60,606.45, 90,785.74 and 49,401.72 is: 74,001.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,606.45 : 90,785.74 = 49,401.72 : x
  2. Step 2: Convert to fraction form
    60,606.45/90,785.74 = 49,401.72/x
  3. Step 3: Cross multiply
    60,606.45x = 90,785.74 × 49,401.72
  4. Step 4: Simplify right side
    60,606.45x = 4,484,971,707.47
  5. Step 5: Solve for x
    x = 4,484,971,707.47/60,606.45
  6. Step 6: Final answer
    x = 74,001.56

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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.