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Finding the Fourth Proportional to 295,168.11, 442,988.07 and 153,053.88

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Solution

The fourth proportional to 295,168.11, 442,988.07 and 153,053.88 is: 229,703.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,168.11 : 442,988.07 = 153,053.88 : x
  2. Step 2: Convert to fraction form
    295,168.11/442,988.07 = 153,053.88/x
  3. Step 3: Cross multiply
    295,168.11x = 442,988.07 × 153,053.88
  4. Step 4: Simplify right side
    295,168.11x = 67,801,042,907.21
  5. Step 5: Solve for x
    x = 67,801,042,907.21/295,168.11
  6. Step 6: Final answer
    x = 229,703.14

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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.