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Finding the Fourth Proportional to 239,575.49, 359,285.43 and 79,608.45

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Solution

The fourth proportional to 239,575.49, 359,285.43 and 79,608.45 is: 119,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,575.49 : 359,285.43 = 79,608.45 : x
  2. Step 2: Convert to fraction form
    239,575.49/359,285.43 = 79,608.45/x
  3. Step 3: Cross multiply
    239,575.49x = 359,285.43 × 79,608.45
  4. Step 4: Simplify right side
    239,575.49x = 28,602,156,189.88
  5. Step 5: Solve for x
    x = 28,602,156,189.88/239,575.49
  6. Step 6: Final answer
    x = 119,386.82

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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.