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Finding the Fourth Proportional to 240,613.58, 360,796.01 and 105,622.40

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Solution

The fourth proportional to 240,613.58, 360,796.01 and 105,622.40 is: 158,379.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,613.58 : 360,796.01 = 105,622.40 : x
  2. Step 2: Convert to fraction form
    240,613.58/360,796.01 = 105,622.40/x
  3. Step 3: Cross multiply
    240,613.58x = 360,796.01 × 105,622.40
  4. Step 4: Simplify right side
    240,613.58x = 38,108,140,486.62
  5. Step 5: Solve for x
    x = 38,108,140,486.62/240,613.58
  6. Step 6: Final answer
    x = 158,379.01

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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.