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Finding the Fourth Proportional to 175,078.60, 262,617.90 and 157,363.90

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Solution

The fourth proportional to 175,078.60, 262,617.90 and 157,363.90 is: 236,045.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,078.60 : 262,617.90 = 157,363.90 : x
  2. Step 2: Convert to fraction form
    175,078.60/262,617.90 = 157,363.90/x
  3. Step 3: Cross multiply
    175,078.60x = 262,617.90 × 157,363.90
  4. Step 4: Simplify right side
    175,078.60x = 41,326,576,953.81
  5. Step 5: Solve for x
    x = 41,326,576,953.81/175,078.60
  6. Step 6: Final answer
    x = 236,045.85

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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.