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Finding the Fourth Proportional to 119,994.93, 179,989.97 and 31,246.47

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Solution

The fourth proportional to 119,994.93, 179,989.97 and 31,246.47 is: 46,869.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,994.93 : 179,989.97 = 31,246.47 : x
  2. Step 2: Convert to fraction form
    119,994.93/179,989.97 = 31,246.47/x
  3. Step 3: Cross multiply
    119,994.93x = 179,989.97 × 31,246.47
  4. Step 4: Simplify right side
    119,994.93x = 5,624,051,041.67
  5. Step 5: Solve for x
    x = 5,624,051,041.67/119,994.93
  6. Step 6: Final answer
    x = 46,869.07

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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.