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Finding the Fourth Proportional to 124,057.98, 186,159.87 and 45,176.94

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Solution

The fourth proportional to 124,057.98, 186,159.87 and 45,176.94 is: 67,791.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,057.98 : 186,159.87 = 45,176.94 : x
  2. Step 2: Convert to fraction form
    124,057.98/186,159.87 = 45,176.94/x
  3. Step 3: Cross multiply
    124,057.98x = 186,159.87 × 45,176.94
  4. Step 4: Simplify right side
    124,057.98x = 8,410,133,277.40
  5. Step 5: Solve for x
    x = 8,410,133,277.40/124,057.98
  6. Step 6: Final answer
    x = 67,791.96

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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.