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Finding the Fourth Proportional to 242,725.75, 364,160.31 and 124,479.93

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Solution

The fourth proportional to 242,725.75, 364,160.31 and 124,479.93 is: 186,756.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,725.75 : 364,160.31 = 124,479.93 : x
  2. Step 2: Convert to fraction form
    242,725.75/364,160.31 = 124,479.93/x
  3. Step 3: Cross multiply
    242,725.75x = 364,160.31 × 124,479.93
  4. Step 4: Simplify right side
    242,725.75x = 45,330,649,897.58
  5. Step 5: Solve for x
    x = 45,330,649,897.58/242,725.75
  6. Step 6: Final answer
    x = 186,756.66

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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.