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Finding the Fourth Proportional to 60,417.36, 90,807.84 and 49,954.39

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Solution

The fourth proportional to 60,417.36, 90,807.84 and 49,954.39 is: 75,081.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,417.36 : 90,807.84 = 49,954.39 : x
  2. Step 2: Convert to fraction form
    60,417.36/90,807.84 = 49,954.39/x
  3. Step 3: Cross multiply
    60,417.36x = 90,807.84 × 49,954.39
  4. Step 4: Simplify right side
    60,417.36x = 4,536,249,550.61
  5. Step 5: Solve for x
    x = 4,536,249,550.61/60,417.36
  6. Step 6: Final answer
    x = 75,081.89

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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.