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Finding the Fourth Proportional to 125,832.51, 173,648.79 and 69,243.89

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Solution

The fourth proportional to 125,832.51, 173,648.79 and 69,243.89 is: 95,556.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,832.51 : 173,648.79 = 69,243.89 : x
  2. Step 2: Convert to fraction form
    125,832.51/173,648.79 = 69,243.89/x
  3. Step 3: Cross multiply
    125,832.51x = 173,648.79 × 69,243.89
  4. Step 4: Simplify right side
    125,832.51x = 12,024,116,845.15
  5. Step 5: Solve for x
    x = 12,024,116,845.15/125,832.51
  6. Step 6: Final answer
    x = 95,556.52

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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.