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Finding the Fourth Proportional to 119,859.47, 179,899.64 and 60,737.03

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Solution

The fourth proportional to 119,859.47, 179,899.64 and 60,737.03 is: 91,161.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,859.47 : 179,899.64 = 60,737.03 : x
  2. Step 2: Convert to fraction form
    119,859.47/179,899.64 = 60,737.03/x
  3. Step 3: Cross multiply
    119,859.47x = 179,899.64 × 60,737.03
  4. Step 4: Simplify right side
    119,859.47x = 10,926,569,527.98
  5. Step 5: Solve for x
    x = 10,926,569,527.98/119,859.47
  6. Step 6: Final answer
    x = 91,161.50

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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.