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Finding the Fourth Proportional to 92,134.38, 127,143.95 and 51,848.12

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Solution

The fourth proportional to 92,134.38, 127,143.95 and 51,848.12 is: 71,549.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,134.38 : 127,143.95 = 51,848.12 : x
  2. Step 2: Convert to fraction form
    92,134.38/127,143.95 = 51,848.12/x
  3. Step 3: Cross multiply
    92,134.38x = 127,143.95 × 51,848.12
  4. Step 4: Simplify right side
    92,134.38x = 6,592,173,881.91
  5. Step 5: Solve for x
    x = 6,592,173,881.91/92,134.38
  6. Step 6: Final answer
    x = 71,549.55

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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.