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Finding the Fourth Proportional to 158,328.52, 237,502.50 and 69,623.80

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Solution

The fourth proportional to 158,328.52, 237,502.50 and 69,623.80 is: 104,439.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,328.52 : 237,502.50 = 69,623.80 : x
  2. Step 2: Convert to fraction form
    158,328.52/237,502.50 = 69,623.80/x
  3. Step 3: Cross multiply
    158,328.52x = 237,502.50 × 69,623.80
  4. Step 4: Simplify right side
    158,328.52x = 16,535,826,559.50
  5. Step 5: Solve for x
    x = 16,535,826,559.50/158,328.52
  6. Step 6: Final answer
    x = 104,439.97

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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.