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Finding the Fourth Proportional to 173,739.01, 239,763.90 and 97,256.21

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Solution

The fourth proportional to 173,739.01, 239,763.90 and 97,256.21 is: 134,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,739.01 : 239,763.90 = 97,256.21 : x
  2. Step 2: Convert to fraction form
    173,739.01/239,763.90 = 97,256.21/x
  3. Step 3: Cross multiply
    173,739.01x = 239,763.90 × 97,256.21
  4. Step 4: Simplify right side
    173,739.01x = 23,318,528,208.82
  5. Step 5: Solve for x
    x = 23,318,528,208.82/173,739.01
  6. Step 6: Final answer
    x = 134,215.85

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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.