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Finding the Fourth Proportional to 266,017.70, 367,112.58 and 151,312.89

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Solution

The fourth proportional to 266,017.70, 367,112.58 and 151,312.89 is: 208,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,017.70 : 367,112.58 = 151,312.89 : x
  2. Step 2: Convert to fraction form
    266,017.70/367,112.58 = 151,312.89/x
  3. Step 3: Cross multiply
    266,017.70x = 367,112.58 × 151,312.89
  4. Step 4: Simplify right side
    266,017.70x = 55,548,865,435.16
  5. Step 5: Solve for x
    x = 55,548,865,435.16/266,017.70
  6. Step 6: Final answer
    x = 208,816.43

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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.