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Finding the Fourth Proportional to 266,085.50, 399,180.83 and 97,607.39

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Solution

The fourth proportional to 266,085.50, 399,180.83 and 97,607.39 is: 146,430.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,085.50 : 399,180.83 = 97,607.39 : x
  2. Step 2: Convert to fraction form
    266,085.50/399,180.83 = 97,607.39/x
  3. Step 3: Cross multiply
    266,085.50x = 399,180.83 × 97,607.39
  4. Step 4: Simplify right side
    266,085.50x = 38,962,998,954.33
  5. Step 5: Solve for x
    x = 38,962,998,954.33/266,085.50
  6. Step 6: Final answer
    x = 146,430.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.