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Finding the Fourth Proportional to 282,958.20, 424,437.30 and 114,559.20

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Solution

The fourth proportional to 282,958.20, 424,437.30 and 114,559.20 is: 171,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,958.20 : 424,437.30 = 114,559.20 : x
  2. Step 2: Convert to fraction form
    282,958.20/424,437.30 = 114,559.20/x
  3. Step 3: Cross multiply
    282,958.20x = 424,437.30 × 114,559.20
  4. Step 4: Simplify right side
    282,958.20x = 48,623,197,538.16
  5. Step 5: Solve for x
    x = 48,623,197,538.16/282,958.20
  6. Step 6: Final answer
    x = 171,838.80

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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.