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Finding the Fourth Proportional to 164,894.30, 247,009.76 and 124,981.55

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Solution

The fourth proportional to 164,894.30, 247,009.76 and 124,981.55 is: 187,220.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,894.30 : 247,009.76 = 124,981.55 : x
  2. Step 2: Convert to fraction form
    164,894.30/247,009.76 = 124,981.55/x
  3. Step 3: Cross multiply
    164,894.30x = 247,009.76 × 124,981.55
  4. Step 4: Simplify right side
    164,894.30x = 30,871,662,045.02
  5. Step 5: Solve for x
    x = 30,871,662,045.02/164,894.30
  6. Step 6: Final answer
    x = 187,220.92

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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.