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Finding the Fourth Proportional to 122,191.25, 168,564.01 and 106,035.89

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Solution

The fourth proportional to 122,191.25, 168,564.01 and 106,035.89 is: 146,277.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,191.25 : 168,564.01 = 106,035.89 : x
  2. Step 2: Convert to fraction form
    122,191.25/168,564.01 = 106,035.89/x
  3. Step 3: Cross multiply
    122,191.25x = 168,564.01 × 106,035.89
  4. Step 4: Simplify right side
    122,191.25x = 17,873,834,557.23
  5. Step 5: Solve for x
    x = 17,873,834,557.23/122,191.25
  6. Step 6: Final answer
    x = 146,277.53

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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.