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Finding the Fourth Proportional to 282,859.48, 424,132.08 and 130,890.52

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Solution

The fourth proportional to 282,859.48, 424,132.08 and 130,890.52 is: 196,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,859.48 : 424,132.08 = 130,890.52 : x
  2. Step 2: Convert to fraction form
    282,859.48/424,132.08 = 130,890.52/x
  3. Step 3: Cross multiply
    282,859.48x = 424,132.08 × 130,890.52
  4. Step 4: Simplify right side
    282,859.48x = 55,514,868,499.88
  5. Step 5: Solve for x
    x = 55,514,868,499.88/282,859.48
  6. Step 6: Final answer
    x = 196,263.06

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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.