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Finding the Fourth Proportional to 92,065.34, 127,051.55 and 56,247.76

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Solution

The fourth proportional to 92,065.34, 127,051.55 and 56,247.76 is: 77,622.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,065.34 : 127,051.55 = 56,247.76 : x
  2. Step 2: Convert to fraction form
    92,065.34/127,051.55 = 56,247.76/x
  3. Step 3: Cross multiply
    92,065.34x = 127,051.55 × 56,247.76
  4. Step 4: Simplify right side
    92,065.34x = 7,146,365,092.03
  5. Step 5: Solve for x
    x = 7,146,365,092.03/92,065.34
  6. Step 6: Final answer
    x = 77,622.75

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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.