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Finding the Fourth Proportional to 176,606.30, 264,909.45 and 76,814.30

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Solution

The fourth proportional to 176,606.30, 264,909.45 and 76,814.30 is: 115,221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,606.30 : 264,909.45 = 76,814.30 : x
  2. Step 2: Convert to fraction form
    176,606.30/264,909.45 = 76,814.30/x
  3. Step 3: Cross multiply
    176,606.30x = 264,909.45 × 76,814.30
  4. Step 4: Simplify right side
    176,606.30x = 20,348,833,965.14
  5. Step 5: Solve for x
    x = 20,348,833,965.14/176,606.30
  6. Step 6: Final answer
    x = 115,221.45

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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.