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Finding the Fourth Proportional to 266,476.76, 367,737.54 and 145,619.12

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Solution

The fourth proportional to 266,476.76, 367,737.54 and 145,619.12 is: 200,954.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,476.76 : 367,737.54 = 145,619.12 : x
  2. Step 2: Convert to fraction form
    266,476.76/367,737.54 = 145,619.12/x
  3. Step 3: Cross multiply
    266,476.76x = 367,737.54 × 145,619.12
  4. Step 4: Simplify right side
    266,476.76x = 53,549,616,965.76
  5. Step 5: Solve for x
    x = 53,549,616,965.76/266,476.76
  6. Step 6: Final answer
    x = 200,954.17

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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.