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Finding the Fourth Proportional to 235,877.50, 353,816.25 and 69,678.46

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Solution

The fourth proportional to 235,877.50, 353,816.25 and 69,678.46 is: 104,517.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,877.50 : 353,816.25 = 69,678.46 : x
  2. Step 2: Convert to fraction form
    235,877.50/353,816.25 = 69,678.46/x
  3. Step 3: Cross multiply
    235,877.50x = 353,816.25 × 69,678.46
  4. Step 4: Simplify right side
    235,877.50x = 24,653,371,422.98
  5. Step 5: Solve for x
    x = 24,653,371,422.98/235,877.50
  6. Step 6: Final answer
    x = 104,517.69

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1.5x scale

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.