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Finding the Fourth Proportional to 235,300.13, 324,709.93 and 127,870.54

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Solution

The fourth proportional to 235,300.13, 324,709.93 and 127,870.54 is: 176,459.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,300.13 : 324,709.93 = 127,870.54 : x
  2. Step 2: Convert to fraction form
    235,300.13/324,709.93 = 127,870.54/x
  3. Step 3: Cross multiply
    235,300.13x = 324,709.93 × 127,870.54
  4. Step 4: Simplify right side
    235,300.13x = 41,520,834,092.46
  5. Step 5: Solve for x
    x = 41,520,834,092.46/235,300.13
  6. Step 6: Final answer
    x = 176,459.04

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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.