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Finding the Fourth Proportional to 92,117.86, 127,137.80 and 58,144.84

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Solution

The fourth proportional to 92,117.86, 127,137.80 and 58,144.84 is: 80,249.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,117.86 : 127,137.80 = 58,144.84 : x
  2. Step 2: Convert to fraction form
    92,117.86/127,137.80 = 58,144.84/x
  3. Step 3: Cross multiply
    92,117.86x = 127,137.80 × 58,144.84
  4. Step 4: Simplify right side
    92,117.86x = 7,392,406,866.47
  5. Step 5: Solve for x
    x = 7,392,406,866.47/92,117.86
  6. Step 6: Final answer
    x = 80,249.44

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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.