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Finding the Fourth Proportional to 371,167.52, 556,751.07 and 134,509.82

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Solution

The fourth proportional to 371,167.52, 556,751.07 and 134,509.82 is: 201,764.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,167.52 : 556,751.07 = 134,509.82 : x
  2. Step 2: Convert to fraction form
    371,167.52/556,751.07 = 134,509.82/x
  3. Step 3: Cross multiply
    371,167.52x = 556,751.07 × 134,509.82
  4. Step 4: Simplify right side
    371,167.52x = 74,888,483,426.75
  5. Step 5: Solve for x
    x = 74,888,483,426.75/371,167.52
  6. Step 6: Final answer
    x = 201,764.65

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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.