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Finding the Fourth Proportional to 367,772.50, 551,658.78 and 118,454.50

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Solution

The fourth proportional to 367,772.50, 551,658.78 and 118,454.50 is: 177,681.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,772.50 : 551,658.78 = 118,454.50 : x
  2. Step 2: Convert to fraction form
    367,772.50/551,658.78 = 118,454.50/x
  3. Step 3: Cross multiply
    367,772.50x = 551,658.78 × 118,454.50
  4. Step 4: Simplify right side
    367,772.50x = 65,346,464,955.51
  5. Step 5: Solve for x
    x = 65,346,464,955.51/367,772.50
  6. Step 6: Final answer
    x = 177,681.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.