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Finding the Fourth Proportional to 295,715.93, 443,616.71 and 93,243.31

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Solution

The fourth proportional to 295,715.93, 443,616.71 and 93,243.31 is: 139,878.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,715.93 : 443,616.71 = 93,243.31 : x
  2. Step 2: Convert to fraction form
    295,715.93/443,616.71 = 93,243.31/x
  3. Step 3: Cross multiply
    295,715.93x = 443,616.71 × 93,243.31
  4. Step 4: Simplify right side
    295,715.93x = 41,364,291,124.36
  5. Step 5: Solve for x
    x = 41,364,291,124.36/295,715.93
  6. Step 6: Final answer
    x = 139,878.47

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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.