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Finding the Fourth Proportional to 69,103.41, 103,547.13 and 48,084.52

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Solution

The fourth proportional to 69,103.41, 103,547.13 and 48,084.52 is: 72,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,103.41 : 103,547.13 = 48,084.52 : x
  2. Step 2: Convert to fraction form
    69,103.41/103,547.13 = 48,084.52/x
  3. Step 3: Cross multiply
    69,103.41x = 103,547.13 × 48,084.52
  4. Step 4: Simplify right side
    69,103.41x = 4,979,013,784.56
  5. Step 5: Solve for x
    x = 4,979,013,784.56/69,103.41
  6. Step 6: Final answer
    x = 72,051.64

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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.