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Finding the Fourth Proportional to 170,859.37, 235,746.03 and 99,196.24

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Solution

The fourth proportional to 170,859.37, 235,746.03 and 99,196.24 is: 136,867.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,859.37 : 235,746.03 = 99,196.24 : x
  2. Step 2: Convert to fraction form
    170,859.37/235,746.03 = 99,196.24/x
  3. Step 3: Cross multiply
    170,859.37x = 235,746.03 × 99,196.24
  4. Step 4: Simplify right side
    170,859.37x = 23,385,119,770.93
  5. Step 5: Solve for x
    x = 23,385,119,770.93/170,859.37
  6. Step 6: Final answer
    x = 136,867.65

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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.