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Finding the Fourth Proportional to 69,100.66, 103,146.31 and 59,302.90

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Solution

The fourth proportional to 69,100.66, 103,146.31 and 59,302.90 is: 88,521.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,100.66 : 103,146.31 = 59,302.90 : x
  2. Step 2: Convert to fraction form
    69,100.66/103,146.31 = 59,302.90/x
  3. Step 3: Cross multiply
    69,100.66x = 103,146.31 × 59,302.90
  4. Step 4: Simplify right side
    69,100.66x = 6,116,875,307.30
  5. Step 5: Solve for x
    x = 6,116,875,307.30/69,100.66
  6. Step 6: Final answer
    x = 88,521.23

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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.