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Finding the Fourth Proportional to 92,446.08, 127,503.04 and 79,720.32

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Solution

The fourth proportional to 92,446.08, 127,503.04 and 79,720.32 is: 109,951.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,446.08 : 127,503.04 = 79,720.32 : x
  2. Step 2: Convert to fraction form
    92,446.08/127,503.04 = 79,720.32/x
  3. Step 3: Cross multiply
    92,446.08x = 127,503.04 × 79,720.32
  4. Step 4: Simplify right side
    92,446.08x = 10,164,583,149.77
  5. Step 5: Solve for x
    x = 10,164,583,149.77/92,446.08
  6. Step 6: Final answer
    x = 109,951.48

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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.