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Finding the Fourth Proportional to 240,069.74, 360,045.72 and 113,705.42

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Solution

The fourth proportional to 240,069.74, 360,045.72 and 113,705.42 is: 170,530.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,069.74 : 360,045.72 = 113,705.42 : x
  2. Step 2: Convert to fraction form
    240,069.74/360,045.72 = 113,705.42/x
  3. Step 3: Cross multiply
    240,069.74x = 360,045.72 × 113,705.42
  4. Step 4: Simplify right side
    240,069.74x = 40,939,148,011.57
  5. Step 5: Solve for x
    x = 40,939,148,011.57/240,069.74
  6. Step 6: Final answer
    x = 170,530.23

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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.