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Finding the Fourth Proportional to 176,168.61, 264,293.28 and 76,345.56

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Solution

The fourth proportional to 176,168.61, 264,293.28 and 76,345.56 is: 114,535.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,168.61 : 264,293.28 = 76,345.56 : x
  2. Step 2: Convert to fraction form
    176,168.61/264,293.28 = 76,345.56/x
  3. Step 3: Cross multiply
    176,168.61x = 264,293.28 × 76,345.56
  4. Step 4: Simplify right side
    176,168.61x = 20,177,618,465.84
  5. Step 5: Solve for x
    x = 20,177,618,465.84/176,168.61
  6. Step 6: Final answer
    x = 114,535.83

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1.5x scale

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.