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Finding the Fourth Proportional to 266,830.66, 368,223.33 and 145,975.42

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Solution

The fourth proportional to 266,830.66, 368,223.33 and 145,975.42 is: 201,444.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,830.66 : 368,223.33 = 145,975.42 : x
  2. Step 2: Convert to fraction form
    266,830.66/368,223.33 = 145,975.42/x
  3. Step 3: Cross multiply
    266,830.66x = 368,223.33 × 145,975.42
  4. Step 4: Simplify right side
    266,830.66x = 53,751,555,250.55
  5. Step 5: Solve for x
    x = 53,751,555,250.55/266,830.66
  6. Step 6: Final answer
    x = 201,444.45

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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.