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Finding the Fourth Proportional to 240,551.80, 360,827.70 and 115,905.40

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Solution

The fourth proportional to 240,551.80, 360,827.70 and 115,905.40 is: 173,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,551.80 : 360,827.70 = 115,905.40 : x
  2. Step 2: Convert to fraction form
    240,551.80/360,827.70 = 115,905.40/x
  3. Step 3: Cross multiply
    240,551.80x = 360,827.70 × 115,905.40
  4. Step 4: Simplify right side
    240,551.80x = 41,821,878,899.58
  5. Step 5: Solve for x
    x = 41,821,878,899.58/240,551.80
  6. Step 6: Final answer
    x = 173,858.10

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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.