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Finding the Fourth Proportional to 266,725.04, 368,078.52 and 145,865.84

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Solution

The fourth proportional to 266,725.04, 368,078.52 and 145,865.84 is: 201,293.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,725.04 : 368,078.52 = 145,865.84 : x
  2. Step 2: Convert to fraction form
    266,725.04/368,078.52 = 145,865.84/x
  3. Step 3: Cross multiply
    266,725.04x = 368,078.52 × 145,865.84
  4. Step 4: Simplify right side
    266,725.04x = 53,690,082,505.76
  5. Step 5: Solve for x
    x = 53,690,082,505.76/266,725.04
  6. Step 6: Final answer
    x = 201,293.75

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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.