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Finding the Fourth Proportional to 282,499.74, 423,750.30 and 69,268.59

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Solution

The fourth proportional to 282,499.74, 423,750.30 and 69,268.59 is: 103,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,499.74 : 423,750.30 = 69,268.59 : x
  2. Step 2: Convert to fraction form
    282,499.74/423,750.30 = 69,268.59/x
  3. Step 3: Cross multiply
    282,499.74x = 423,750.30 × 69,268.59
  4. Step 4: Simplify right side
    282,499.74x = 29,352,585,793.08
  5. Step 5: Solve for x
    x = 29,352,585,793.08/282,499.74
  6. Step 6: Final answer
    x = 103,903.05

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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.