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Finding the Fourth Proportional to 92,358.79, 127,452.58 and 52,072.20

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Solution

The fourth proportional to 92,358.79, 127,452.58 and 52,072.20 is: 71,858.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,358.79 : 127,452.58 = 52,072.20 : x
  2. Step 2: Convert to fraction form
    92,358.79/127,452.58 = 52,072.20/x
  3. Step 3: Cross multiply
    92,358.79x = 127,452.58 × 52,072.20
  4. Step 4: Simplify right side
    92,358.79x = 6,636,736,236.28
  5. Step 5: Solve for x
    x = 6,636,736,236.28/92,358.79
  6. Step 6: Final answer
    x = 71,858.20

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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.