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Finding the Fourth Proportional to 363,357.80, 545,036.70 and 114,039.40

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Solution

The fourth proportional to 363,357.80, 545,036.70 and 114,039.40 is: 171,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,357.80 : 545,036.70 = 114,039.40 : x
  2. Step 2: Convert to fraction form
    363,357.80/545,036.70 = 114,039.40/x
  3. Step 3: Cross multiply
    363,357.80x = 545,036.70 × 114,039.40
  4. Step 4: Simplify right side
    363,357.80x = 62,155,658,245.98
  5. Step 5: Solve for x
    x = 62,155,658,245.98/363,357.80
  6. Step 6: Final answer
    x = 171,059.10

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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.