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Finding the Fourth Proportional to 68,330.48, 102,475.65 and 23,948.96

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Solution

The fourth proportional to 68,330.48, 102,475.65 and 23,948.96 is: 35,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,330.48 : 102,475.65 = 23,948.96 : x
  2. Step 2: Convert to fraction form
    68,330.48/102,475.65 = 23,948.96/x
  3. Step 3: Cross multiply
    68,330.48x = 102,475.65 × 23,948.96
  4. Step 4: Simplify right side
    68,330.48x = 2,454,184,730.45
  5. Step 5: Solve for x
    x = 2,454,184,730.45/68,330.48
  6. Step 6: Final answer
    x = 35,916.40

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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.