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Finding the Fourth Proportional to 164,718.79, 247,078.19 and 40,058.71

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Solution

The fourth proportional to 164,718.79, 247,078.19 and 40,058.71 is: 60,088.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,718.79 : 247,078.19 = 40,058.71 : x
  2. Step 2: Convert to fraction form
    164,718.79/247,078.19 = 40,058.71/x
  3. Step 3: Cross multiply
    164,718.79x = 247,078.19 × 40,058.71
  4. Step 4: Simplify right side
    164,718.79x = 9,897,633,560.53
  5. Step 5: Solve for x
    x = 9,897,633,560.53/164,718.79
  6. Step 6: Final answer
    x = 60,088.07

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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.