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Finding the Fourth Proportional to 312,144.02, 468,232.18 and 98,934.59

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Solution

The fourth proportional to 312,144.02, 468,232.18 and 98,934.59 is: 148,407.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,144.02 : 468,232.18 = 98,934.59 : x
  2. Step 2: Convert to fraction form
    312,144.02/468,232.18 = 98,934.59/x
  3. Step 3: Cross multiply
    312,144.02x = 468,232.18 × 98,934.59
  4. Step 4: Simplify right side
    312,144.02x = 46,324,357,042.54
  5. Step 5: Solve for x
    x = 46,324,357,042.54/312,144.02
  6. Step 6: Final answer
    x = 148,407.00

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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.