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Finding the Fourth Proportional to 235,873.50, 353,810.25 and 69,674.46

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Solution

The fourth proportional to 235,873.50, 353,810.25 and 69,674.46 is: 104,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,873.50 : 353,810.25 = 69,674.46 : x
  2. Step 2: Convert to fraction form
    235,873.50/353,810.25 = 69,674.46/x
  3. Step 3: Cross multiply
    235,873.50x = 353,810.25 × 69,674.46
  4. Step 4: Simplify right side
    235,873.50x = 24,651,538,111.22
  5. Step 5: Solve for x
    x = 24,651,538,111.22/235,873.50
  6. Step 6: Final answer
    x = 104,511.69

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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.