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Finding the Fourth Proportional to 92,587.84, 127,768.80 and 52,305.28

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Solution

The fourth proportional to 92,587.84, 127,768.80 and 52,305.28 is: 72,179.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,587.84 : 127,768.80 = 52,305.28 : x
  2. Step 2: Convert to fraction form
    92,587.84/127,768.80 = 52,305.28/x
  3. Step 3: Cross multiply
    92,587.84x = 127,768.80 × 52,305.28
  4. Step 4: Simplify right side
    92,587.84x = 6,682,982,859.26
  5. Step 5: Solve for x
    x = 6,682,982,859.26/92,587.84
  6. Step 6: Final answer
    x = 72,179.92

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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.