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Finding the Fourth Proportional to 85,224.68, 127,842.96 and 26,055.80

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Solution

The fourth proportional to 85,224.68, 127,842.96 and 26,055.80 is: 39,085.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,224.68 : 127,842.96 = 26,055.80 : x
  2. Step 2: Convert to fraction form
    85,224.68/127,842.96 = 26,055.80/x
  3. Step 3: Cross multiply
    85,224.68x = 127,842.96 × 26,055.80
  4. Step 4: Simplify right side
    85,224.68x = 3,331,050,597.17
  5. Step 5: Solve for x
    x = 3,331,050,597.17/85,224.68
  6. Step 6: Final answer
    x = 39,085.52

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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.