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Finding the Fourth Proportional to 249,231.67, 343,801.22 and 163,329.22

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Solution

The fourth proportional to 249,231.67, 343,801.22 and 163,329.22 is: 225,303.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,231.67 : 343,801.22 = 163,329.22 : x
  2. Step 2: Convert to fraction form
    249,231.67/343,801.22 = 163,329.22/x
  3. Step 3: Cross multiply
    249,231.67x = 343,801.22 × 163,329.22
  4. Step 4: Simplify right side
    249,231.67x = 56,152,785,097.65
  5. Step 5: Solve for x
    x = 56,152,785,097.65/249,231.67
  6. Step 6: Final answer
    x = 225,303.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.