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Finding the Fourth Proportional to 92,670, 127,886.57 and 52,381.37

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Solution

The fourth proportional to 92,670, 127,886.57 and 52,381.37 is: 72,287.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,670 : 127,886.57 = 52,381.37 : x
  2. Step 2: Convert to fraction form
    92,670/127,886.57 = 52,381.37/x
  3. Step 3: Cross multiply
    92,670x = 127,886.57 × 52,381.37
  4. Step 4: Simplify right side
    92,670x = 6,698,872,839.86
  5. Step 5: Solve for x
    x = 6,698,872,839.86/92,670
  6. Step 6: Final answer
    x = 72,287.39

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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.