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Finding the Fourth Proportional to 218,765.04, 301,884.91 and 123,277.88

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Solution

The fourth proportional to 218,765.04, 301,884.91 and 123,277.88 is: 170,117.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,765.04 : 301,884.91 = 123,277.88 : x
  2. Step 2: Convert to fraction form
    218,765.04/301,884.91 = 123,277.88/x
  3. Step 3: Cross multiply
    218,765.04x = 301,884.91 × 123,277.88
  4. Step 4: Simplify right side
    218,765.04x = 37,215,732,155.31
  5. Step 5: Solve for x
    x = 37,215,732,155.31/218,765.04
  6. Step 6: Final answer
    x = 170,117.37

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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.