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Finding the Fourth Proportional to 150,526.40, 207,735.75 and 83,458.40

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Solution

The fourth proportional to 150,526.40, 207,735.75 and 83,458.40 is: 115,177.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,526.40 : 207,735.75 = 83,458.40 : x
  2. Step 2: Convert to fraction form
    150,526.40/207,735.75 = 83,458.40/x
  3. Step 3: Cross multiply
    150,526.40x = 207,735.75 × 83,458.40
  4. Step 4: Simplify right side
    150,526.40x = 17,337,293,317.80
  5. Step 5: Solve for x
    x = 17,337,293,317.80/150,526.40
  6. Step 6: Final answer
    x = 115,177.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.