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Finding the Fourth Proportional to 314,723.69, 472,132.43 and 112,304.01

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Solution

The fourth proportional to 314,723.69, 472,132.43 and 112,304.01 is: 168,472.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,723.69 : 472,132.43 = 112,304.01 : x
  2. Step 2: Convert to fraction form
    314,723.69/472,132.43 = 112,304.01/x
  3. Step 3: Cross multiply
    314,723.69x = 472,132.43 × 112,304.01
  4. Step 4: Simplify right side
    314,723.69x = 53,022,365,280.42
  5. Step 5: Solve for x
    x = 53,022,365,280.42/314,723.69
  6. Step 6: Final answer
    x = 168,472.75

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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.