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Finding the Fourth Proportional to 245,773.85, 368,657.68 and 134,165.11

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Solution

The fourth proportional to 245,773.85, 368,657.68 and 134,165.11 is: 201,245.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,773.85 : 368,657.68 = 134,165.11 : x
  2. Step 2: Convert to fraction form
    245,773.85/368,657.68 = 134,165.11/x
  3. Step 3: Cross multiply
    245,773.85x = 368,657.68 × 134,165.11
  4. Step 4: Simplify right side
    245,773.85x = 49,460,997,875.28
  5. Step 5: Solve for x
    x = 49,460,997,875.28/245,773.85
  6. Step 6: Final answer
    x = 201,245.98

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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.