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Finding the Fourth Proportional to 307,387.38, 461,111.81 and 94,152.82

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Solution

The fourth proportional to 307,387.38, 461,111.81 and 94,152.82 is: 141,238.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,387.38 : 461,111.81 = 94,152.82 : x
  2. Step 2: Convert to fraction form
    307,387.38/461,111.81 = 94,152.82/x
  3. Step 3: Cross multiply
    307,387.38x = 461,111.81 × 94,152.82
  4. Step 4: Simplify right side
    307,387.38x = 43,414,977,482.19
  5. Step 5: Solve for x
    x = 43,414,977,482.19/307,387.38
  6. Step 6: Final answer
    x = 141,238.65

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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.