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Finding the Fourth Proportional to 69,707, 104,502.16 and 48,585.08

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Solution

The fourth proportional to 69,707, 104,502.16 and 48,585.08 is: 72,836.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,707 : 104,502.16 = 48,585.08 : x
  2. Step 2: Convert to fraction form
    69,707/104,502.16 = 48,585.08/x
  3. Step 3: Cross multiply
    69,707x = 104,502.16 × 48,585.08
  4. Step 4: Simplify right side
    69,707x = 5,077,245,803.77
  5. Step 5: Solve for x
    x = 5,077,245,803.77/69,707
  6. Step 6: Final answer
    x = 72,836.96

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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.