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Finding the Fourth Proportional to 292,577.97, 438,742.34 and 114,960.39

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Solution

The fourth proportional to 292,577.97, 438,742.34 and 114,960.39 is: 172,391.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,577.97 : 438,742.34 = 114,960.39 : x
  2. Step 2: Convert to fraction form
    292,577.97/438,742.34 = 114,960.39/x
  3. Step 3: Cross multiply
    292,577.97x = 438,742.34 × 114,960.39
  4. Step 4: Simplify right side
    292,577.97x = 50,437,988,322.20
  5. Step 5: Solve for x
    x = 50,437,988,322.20/292,577.97
  6. Step 6: Final answer
    x = 172,391.61

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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.