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Finding the Fourth Proportional to 240,437.94, 331,816.47 and 144,975.42

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Solution

The fourth proportional to 240,437.94, 331,816.47 and 144,975.42 is: 200,073.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,437.94 : 331,816.47 = 144,975.42 : x
  2. Step 2: Convert to fraction form
    240,437.94/331,816.47 = 144,975.42/x
  3. Step 3: Cross multiply
    240,437.94x = 331,816.47 × 144,975.42
  4. Step 4: Simplify right side
    240,437.94x = 48,105,232,101.17
  5. Step 5: Solve for x
    x = 48,105,232,101.17/240,437.94
  6. Step 6: Final answer
    x = 200,073.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.