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Finding the Fourth Proportional to 266,760.32, 368,115.48 and 145,878.08

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Solution

The fourth proportional to 266,760.32, 368,115.48 and 145,878.08 is: 201,304.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,760.32 : 368,115.48 = 145,878.08 : x
  2. Step 2: Convert to fraction form
    266,760.32/368,115.48 = 145,878.08/x
  3. Step 3: Cross multiply
    266,760.32x = 368,115.48 × 145,878.08
  4. Step 4: Simplify right side
    266,760.32x = 53,699,979,440.68
  5. Step 5: Solve for x
    x = 53,699,979,440.68/266,760.32
  6. Step 6: Final answer
    x = 201,304.22

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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.