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Finding the Fourth Proportional to 85,340.01, 127,955.07 and 35,454.54

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Solution

The fourth proportional to 85,340.01, 127,955.07 and 35,454.54 is: 53,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,340.01 : 127,955.07 = 35,454.54 : x
  2. Step 2: Convert to fraction form
    85,340.01/127,955.07 = 35,454.54/x
  3. Step 3: Cross multiply
    85,340.01x = 127,955.07 × 35,454.54
  4. Step 4: Simplify right side
    85,340.01x = 4,536,588,147.52
  5. Step 5: Solve for x
    x = 4,536,588,147.52/85,340.01
  6. Step 6: Final answer
    x = 53,158.98

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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.