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Finding the Fourth Proportional to 85,332.50, 127,993.95 and 26,168.01

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Solution

The fourth proportional to 85,332.50, 127,993.95 and 26,168.01 is: 39,250.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,332.50 : 127,993.95 = 26,168.01 : x
  2. Step 2: Convert to fraction form
    85,332.50/127,993.95 = 26,168.01/x
  3. Step 3: Cross multiply
    85,332.50x = 127,993.95 × 26,168.01
  4. Step 4: Simplify right side
    85,332.50x = 3,349,346,963.54
  5. Step 5: Solve for x
    x = 3,349,346,963.54/85,332.50
  6. Step 6: Final answer
    x = 39,250.54

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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.