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Finding the Fourth Proportional to 169,756.87, 234,160.68 and 100,799.59

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Solution

The fourth proportional to 169,756.87, 234,160.68 and 100,799.59 is: 139,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,756.87 : 234,160.68 = 100,799.59 : x
  2. Step 2: Convert to fraction form
    169,756.87/234,160.68 = 100,799.59/x
  3. Step 3: Cross multiply
    169,756.87x = 234,160.68 × 100,799.59
  4. Step 4: Simplify right side
    169,756.87x = 23,603,300,538.12
  5. Step 5: Solve for x
    x = 23,603,300,538.12/169,756.87
  6. Step 6: Final answer
    x = 139,041.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.