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Finding the Fourth Proportional to 288,130.10, 432,179.53 and 88,450.52

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Solution

The fourth proportional to 288,130.10, 432,179.53 and 88,450.52 is: 132,670.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,130.10 : 432,179.53 = 88,450.52 : x
  2. Step 2: Convert to fraction form
    288,130.10/432,179.53 = 88,450.52/x
  3. Step 3: Cross multiply
    288,130.10x = 432,179.53 × 88,450.52
  4. Step 4: Simplify right side
    288,130.10x = 38,226,504,161.86
  5. Step 5: Solve for x
    x = 38,226,504,161.86/288,130.10
  6. Step 6: Final answer
    x = 132,670.98

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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.