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Finding the Fourth Proportional to 176,600.30, 264,900.45 and 76,808.30

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Solution

The fourth proportional to 176,600.30, 264,900.45 and 76,808.30 is: 115,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,600.30 : 264,900.45 = 76,808.30 : x
  2. Step 2: Convert to fraction form
    176,600.30/264,900.45 = 76,808.30/x
  3. Step 3: Cross multiply
    176,600.30x = 264,900.45 × 76,808.30
  4. Step 4: Simplify right side
    176,600.30x = 20,346,553,233.74
  5. Step 5: Solve for x
    x = 20,346,553,233.74/176,600.30
  6. Step 6: Final answer
    x = 115,212.45

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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.