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Finding the Fourth Proportional to 172,950.10, 238,640.52 and 97,498.60

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Solution

The fourth proportional to 172,950.10, 238,640.52 and 97,498.60 is: 134,530.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,950.10 : 238,640.52 = 97,498.60 : x
  2. Step 2: Convert to fraction form
    172,950.10/238,640.52 = 97,498.60/x
  3. Step 3: Cross multiply
    172,950.10x = 238,640.52 × 97,498.60
  4. Step 4: Simplify right side
    172,950.10x = 23,267,116,603.27
  5. Step 5: Solve for x
    x = 23,267,116,603.27/172,950.10
  6. Step 6: Final answer
    x = 134,530.81

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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.