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Finding the Fourth Proportional to 133,561.04, 200,341.56 and 54,657.68

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Solution

The fourth proportional to 133,561.04, 200,341.56 and 54,657.68 is: 81,986.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,561.04 : 200,341.56 = 54,657.68 : x
  2. Step 2: Convert to fraction form
    133,561.04/200,341.56 = 54,657.68/x
  3. Step 3: Cross multiply
    133,561.04x = 200,341.56 × 54,657.68
  4. Step 4: Simplify right side
    133,561.04x = 10,950,204,877.18
  5. Step 5: Solve for x
    x = 10,950,204,877.18/133,561.04
  6. Step 6: Final answer
    x = 81,986.52

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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.