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Finding the Fourth Proportional to 104,708.68, 157,063.02 and 49,309

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Solution

The fourth proportional to 104,708.68, 157,063.02 and 49,309 is: 73,963.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,708.68 : 157,063.02 = 49,309 : x
  2. Step 2: Convert to fraction form
    104,708.68/157,063.02 = 49,309/x
  3. Step 3: Cross multiply
    104,708.68x = 157,063.02 × 49,309
  4. Step 4: Simplify right side
    104,708.68x = 7,744,620,453.18
  5. Step 5: Solve for x
    x = 7,744,620,453.18/104,708.68
  6. Step 6: Final answer
    x = 73,963.50

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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.