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Finding the Fourth Proportional to 92,069.74, 127,065.99 and 56,280.70

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Solution

The fourth proportional to 92,069.74, 127,065.99 and 56,280.70 is: 77,673.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,069.74 : 127,065.99 = 56,280.70 : x
  2. Step 2: Convert to fraction form
    92,069.74/127,065.99 = 56,280.70/x
  3. Step 3: Cross multiply
    92,069.74x = 127,065.99 × 56,280.70
  4. Step 4: Simplify right side
    92,069.74x = 7,151,362,863.39
  5. Step 5: Solve for x
    x = 7,151,362,863.39/92,069.74
  6. Step 6: Final answer
    x = 77,673.33

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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.