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Finding the Fourth Proportional to 292,578.59, 438,743.27 and 114,961.01

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Solution

The fourth proportional to 292,578.59, 438,743.27 and 114,961.01 is: 172,392.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,578.59 : 438,743.27 = 114,961.01 : x
  2. Step 2: Convert to fraction form
    292,578.59/438,743.27 = 114,961.01/x
  3. Step 3: Cross multiply
    292,578.59x = 438,743.27 × 114,961.01
  4. Step 4: Simplify right side
    292,578.59x = 50,438,370,011.52
  5. Step 5: Solve for x
    x = 50,438,370,011.52/292,578.59
  6. Step 6: Final answer
    x = 172,392.55

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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.