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Finding the Fourth Proportional to 282,814.40, 424,131.36 and 93,239.40

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Solution

The fourth proportional to 282,814.40, 424,131.36 and 93,239.40 is: 139,829.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,814.40 : 424,131.36 = 93,239.40 : x
  2. Step 2: Convert to fraction form
    282,814.40/424,131.36 = 93,239.40/x
  3. Step 3: Cross multiply
    282,814.40x = 424,131.36 × 93,239.40
  4. Step 4: Simplify right side
    282,814.40x = 39,545,753,527.58
  5. Step 5: Solve for x
    x = 39,545,753,527.58/282,814.40
  6. Step 6: Final answer
    x = 139,829.35

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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.