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Finding the Fourth Proportional to 357,911.94, 536,895.30 and 117,932.40

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Solution

The fourth proportional to 357,911.94, 536,895.30 and 117,932.40 is: 176,907.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,911.94 : 536,895.30 = 117,932.40 : x
  2. Step 2: Convert to fraction form
    357,911.94/536,895.30 = 117,932.40/x
  3. Step 3: Cross multiply
    357,911.94x = 536,895.30 × 117,932.40
  4. Step 4: Simplify right side
    357,911.94x = 63,317,351,277.72
  5. Step 5: Solve for x
    x = 63,317,351,277.72/357,911.94
  6. Step 6: Final answer
    x = 176,907.63

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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.