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Finding the Fourth Proportional to 163,951.16, 226,253.40 and 92,332.40

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Solution

The fourth proportional to 163,951.16, 226,253.40 and 92,332.40 is: 127,419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,951.16 : 226,253.40 = 92,332.40 : x
  2. Step 2: Convert to fraction form
    163,951.16/226,253.40 = 92,332.40/x
  3. Step 3: Cross multiply
    163,951.16x = 226,253.40 × 92,332.40
  4. Step 4: Simplify right side
    163,951.16x = 20,890,519,430.16
  5. Step 5: Solve for x
    x = 20,890,519,430.16/163,951.16
  6. Step 6: Final answer
    x = 127,419.16

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1.5x scale

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.