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Finding the Fourth Proportional to 84,685.99, 127,050.35 and 59,774.70

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Solution

The fourth proportional to 84,685.99, 127,050.35 and 59,774.70 is: 89,677.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,685.99 : 127,050.35 = 59,774.70 : x
  2. Step 2: Convert to fraction form
    84,685.99/127,050.35 = 59,774.70/x
  3. Step 3: Cross multiply
    84,685.99x = 127,050.35 × 59,774.70
  4. Step 4: Simplify right side
    84,685.99x = 7,594,396,556.15
  5. Step 5: Solve for x
    x = 7,594,396,556.15/84,685.99
  6. Step 6: Final answer
    x = 89,677.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.