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Finding the Fourth Proportional to 92,517.58, 127,677.34 and 56,700.67

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Solution

The fourth proportional to 92,517.58, 127,677.34 and 56,700.67 is: 78,248.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,517.58 : 127,677.34 = 56,700.67 : x
  2. Step 2: Convert to fraction form
    92,517.58/127,677.34 = 56,700.67/x
  3. Step 3: Cross multiply
    92,517.58x = 127,677.34 × 56,700.67
  4. Step 4: Simplify right side
    92,517.58x = 7,239,390,721.82
  5. Step 5: Solve for x
    x = 7,239,390,721.82/92,517.58
  6. Step 6: Final answer
    x = 78,248.81

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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.