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Finding the Fourth Proportional to 173,768.90, 239,789.48 and 97,275.06

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Solution

The fourth proportional to 173,768.90, 239,789.48 and 97,275.06 is: 134,233.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,768.90 : 239,789.48 = 97,275.06 : x
  2. Step 2: Convert to fraction form
    173,768.90/239,789.48 = 97,275.06/x
  3. Step 3: Cross multiply
    173,768.90x = 239,789.48 × 97,275.06
  4. Step 4: Simplify right side
    173,768.90x = 23,325,535,567.99
  5. Step 5: Solve for x
    x = 23,325,535,567.99/173,768.90
  6. Step 6: Final answer
    x = 134,233.09

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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.