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Finding the Fourth Proportional to 292,591.58, 438,933.80 and 124,112.66

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Solution

The fourth proportional to 292,591.58, 438,933.80 and 124,112.66 is: 186,188.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,591.58 : 438,933.80 = 124,112.66 : x
  2. Step 2: Convert to fraction form
    292,591.58/438,933.80 = 124,112.66/x
  3. Step 3: Cross multiply
    292,591.58x = 438,933.80 × 124,112.66
  4. Step 4: Simplify right side
    292,591.58x = 54,477,239,597.52
  5. Step 5: Solve for x
    x = 54,477,239,597.52/292,591.58
  6. Step 6: Final answer
    x = 186,188.68

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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.