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Finding the Fourth Proportional to 282,608.01, 423,878.15 and 93,021.24

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Solution

The fourth proportional to 282,608.01, 423,878.15 and 93,021.24 is: 139,520.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,608.01 : 423,878.15 = 93,021.24 : x
  2. Step 2: Convert to fraction form
    282,608.01/423,878.15 = 93,021.24/x
  3. Step 3: Cross multiply
    282,608.01x = 423,878.15 × 93,021.24
  4. Step 4: Simplify right side
    282,608.01x = 39,429,670,656.80
  5. Step 5: Solve for x
    x = 39,429,670,656.80/282,608.01
  6. Step 6: Final answer
    x = 139,520.71

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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.