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Finding the Fourth Proportional to 69,095.16, 103,138.11 and 59,297.40

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Solution

The fourth proportional to 69,095.16, 103,138.11 and 59,297.40 is: 88,513.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,095.16 : 103,138.11 = 59,297.40 : x
  2. Step 2: Convert to fraction form
    69,095.16/103,138.11 = 59,297.40/x
  3. Step 3: Cross multiply
    69,095.16x = 103,138.11 × 59,297.40
  4. Step 4: Simplify right side
    69,095.16x = 6,115,821,763.91
  5. Step 5: Solve for x
    x = 6,115,821,763.91/69,095.16
  6. Step 6: Final answer
    x = 88,513.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.