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Finding the Fourth Proportional to 173,488.68, 239,387.94 and 98,009.64

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Solution

The fourth proportional to 173,488.68, 239,387.94 and 98,009.64 is: 135,238.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,488.68 : 239,387.94 = 98,009.64 : x
  2. Step 2: Convert to fraction form
    173,488.68/239,387.94 = 98,009.64/x
  3. Step 3: Cross multiply
    173,488.68x = 239,387.94 × 98,009.64
  4. Step 4: Simplify right side
    173,488.68x = 23,462,325,819.74
  5. Step 5: Solve for x
    x = 23,462,325,819.74/173,488.68
  6. Step 6: Final answer
    x = 135,238.37

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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.