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Finding the Fourth Proportional to 92,065.74, 127,060.47 and 56,276.70

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Solution

The fourth proportional to 92,065.74, 127,060.47 and 56,276.70 is: 77,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,065.74 : 127,060.47 = 56,276.70 : x
  2. Step 2: Convert to fraction form
    92,065.74/127,060.47 = 56,276.70/x
  3. Step 3: Cross multiply
    92,065.74x = 127,060.47 × 56,276.70
  4. Step 4: Simplify right side
    92,065.74x = 7,150,543,952.05
  5. Step 5: Solve for x
    x = 7,150,543,952.05/92,065.74
  6. Step 6: Final answer
    x = 77,667.81

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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.