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Finding the Fourth Proportional to 266,878.08, 368,286.21 and 146,019.06

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Solution

The fourth proportional to 266,878.08, 368,286.21 and 146,019.06 is: 201,503.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,878.08 : 368,286.21 = 146,019.06 : x
  2. Step 2: Convert to fraction form
    266,878.08/368,286.21 = 146,019.06/x
  3. Step 3: Cross multiply
    266,878.08x = 368,286.21 × 146,019.06
  4. Step 4: Simplify right side
    266,878.08x = 53,776,806,195.16
  5. Step 5: Solve for x
    x = 53,776,806,195.16/266,878.08
  6. Step 6: Final answer
    x = 201,503.27

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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.