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Finding the Fourth Proportional to 235,161.16, 324,526.02 and 127,731.40

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Solution

The fourth proportional to 235,161.16, 324,526.02 and 127,731.40 is: 176,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,161.16 : 324,526.02 = 127,731.40 : x
  2. Step 2: Convert to fraction form
    235,161.16/324,526.02 = 127,731.40/x
  3. Step 3: Cross multiply
    235,161.16x = 324,526.02 × 127,731.40
  4. Step 4: Simplify right side
    235,161.16x = 41,452,162,871.03
  5. Step 5: Solve for x
    x = 41,452,162,871.03/235,161.16
  6. Step 6: Final answer
    x = 176,271.30

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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.