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Finding the Fourth Proportional to 242,596.40, 363,894.60 and 124,228.40

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Solution

The fourth proportional to 242,596.40, 363,894.60 and 124,228.40 is: 186,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,596.40 : 363,894.60 = 124,228.40 : x
  2. Step 2: Convert to fraction form
    242,596.40/363,894.60 = 124,228.40/x
  3. Step 3: Cross multiply
    242,596.40x = 363,894.60 × 124,228.40
  4. Step 4: Simplify right side
    242,596.40x = 45,206,043,926.64
  5. Step 5: Solve for x
    x = 45,206,043,926.64/242,596.40
  6. Step 6: Final answer
    x = 186,342.60

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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.