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Finding the Fourth Proportional to 150,814.71, 208,221.84 and 93,526.25

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Solution

The fourth proportional to 150,814.71, 208,221.84 and 93,526.25 is: 129,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,814.71 : 208,221.84 = 93,526.25 : x
  2. Step 2: Convert to fraction form
    150,814.71/208,221.84 = 93,526.25/x
  3. Step 3: Cross multiply
    150,814.71x = 208,221.84 × 93,526.25
  4. Step 4: Simplify right side
    150,814.71x = 19,474,206,822.19
  5. Step 5: Solve for x
    x = 19,474,206,822.19/150,814.71
  6. Step 6: Final answer
    x = 129,126.71

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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.