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Finding the Fourth Proportional to 173,174.40, 238,983.84 and 97,708.32

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Solution

The fourth proportional to 173,174.40, 238,983.84 and 97,708.32 is: 134,839.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,174.40 : 238,983.84 = 97,708.32 : x
  2. Step 2: Convert to fraction form
    173,174.40/238,983.84 = 97,708.32/x
  3. Step 3: Cross multiply
    173,174.40x = 238,983.84 × 97,708.32
  4. Step 4: Simplify right side
    173,174.40x = 23,350,709,513.55
  5. Step 5: Solve for x
    x = 23,350,709,513.55/173,174.40
  6. Step 6: Final answer
    x = 134,839.27

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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.