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Finding the Fourth Proportional to 164,455.65, 226,947.09 and 96,459.60

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Solution

The fourth proportional to 164,455.65, 226,947.09 and 96,459.60 is: 133,113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,455.65 : 226,947.09 = 96,459.60 : x
  2. Step 2: Convert to fraction form
    164,455.65/226,947.09 = 96,459.60/x
  3. Step 3: Cross multiply
    164,455.65x = 226,947.09 × 96,459.60
  4. Step 4: Simplify right side
    164,455.65x = 21,891,225,522.56
  5. Step 5: Solve for x
    x = 21,891,225,522.56/164,455.65
  6. Step 6: Final answer
    x = 133,113.25

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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.