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Finding the Fourth Proportional to 68,875.01, 103,368.05 and 35,604.56

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Solution

The fourth proportional to 68,875.01, 103,368.05 and 35,604.56 is: 53,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,875.01 : 103,368.05 = 35,604.56 : x
  2. Step 2: Convert to fraction form
    68,875.01/103,368.05 = 35,604.56/x
  3. Step 3: Cross multiply
    68,875.01x = 103,368.05 × 35,604.56
  4. Step 4: Simplify right side
    68,875.01x = 3,680,374,152.22
  5. Step 5: Solve for x
    x = 3,680,374,152.22/68,875.01
  6. Step 6: Final answer
    x = 53,435.55

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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.