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Finding the Fourth Proportional to 85,222.40, 127,852.80 and 26,060.80

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Solution

The fourth proportional to 85,222.40, 127,852.80 and 26,060.80 is: 39,097.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,222.40 : 127,852.80 = 26,060.80 : x
  2. Step 2: Convert to fraction form
    85,222.40/127,852.80 = 26,060.80/x
  3. Step 3: Cross multiply
    85,222.40x = 127,852.80 × 26,060.80
  4. Step 4: Simplify right side
    85,222.40x = 3,331,946,250.24
  5. Step 5: Solve for x
    x = 3,331,946,250.24/85,222.40
  6. Step 6: Final answer
    x = 39,097.07

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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.