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Finding the Fourth Proportional to 92,112.10, 127,130.04 and 53,344.34

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Solution

The fourth proportional to 92,112.10, 127,130.04 and 53,344.34 is: 73,624.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,112.10 : 127,130.04 = 53,344.34 : x
  2. Step 2: Convert to fraction form
    92,112.10/127,130.04 = 53,344.34/x
  3. Step 3: Cross multiply
    92,112.10x = 127,130.04 × 53,344.34
  4. Step 4: Simplify right side
    92,112.10x = 6,781,667,919.06
  5. Step 5: Solve for x
    x = 6,781,667,919.06/92,112.10
  6. Step 6: Final answer
    x = 73,624.07

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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.