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Finding the Fourth Proportional to 176,811.84, 265,101.12 and 71,507.52

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Solution

The fourth proportional to 176,811.84, 265,101.12 and 71,507.52 is: 107,214.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,811.84 : 265,101.12 = 71,507.52 : x
  2. Step 2: Convert to fraction form
    176,811.84/265,101.12 = 71,507.52/x
  3. Step 3: Cross multiply
    176,811.84x = 265,101.12 × 71,507.52
  4. Step 4: Simplify right side
    176,811.84x = 18,956,723,640.42
  5. Step 5: Solve for x
    x = 18,956,723,640.42/176,811.84
  6. Step 6: Final answer
    x = 107,214.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.