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Finding the Fourth Proportional to 68,583.95, 102,820.56 and 63,048.10

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Solution

The fourth proportional to 68,583.95, 102,820.56 and 63,048.10 is: 94,521.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,583.95 : 102,820.56 = 63,048.10 : x
  2. Step 2: Convert to fraction form
    68,583.95/102,820.56 = 63,048.10/x
  3. Step 3: Cross multiply
    68,583.95x = 102,820.56 × 63,048.10
  4. Step 4: Simplify right side
    68,583.95x = 6,482,640,948.94
  5. Step 5: Solve for x
    x = 6,482,640,948.94/68,583.95
  6. Step 6: Final answer
    x = 94,521.25

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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.