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Finding the Fourth Proportional to 163,750.46, 225,963.47 and 92,116.67

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Solution

The fourth proportional to 163,750.46, 225,963.47 and 92,116.67 is: 127,114.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,750.46 : 225,963.47 = 92,116.67 : x
  2. Step 2: Convert to fraction form
    163,750.46/225,963.47 = 92,116.67/x
  3. Step 3: Cross multiply
    163,750.46x = 225,963.47 × 92,116.67
  4. Step 4: Simplify right side
    163,750.46x = 20,815,001,937.46
  5. Step 5: Solve for x
    x = 20,815,001,937.46/163,750.46
  6. Step 6: Final answer
    x = 127,114.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.