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Finding the Fourth Proportional to 178,193.28, 245,900.28 and 101,716.32

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Solution

The fourth proportional to 178,193.28, 245,900.28 and 101,716.32 is: 140,364.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,193.28 : 245,900.28 = 101,716.32 : x
  2. Step 2: Convert to fraction form
    178,193.28/245,900.28 = 101,716.32/x
  3. Step 3: Cross multiply
    178,193.28x = 245,900.28 × 101,716.32
  4. Step 4: Simplify right side
    178,193.28x = 25,012,071,568.57
  5. Step 5: Solve for x
    x = 25,012,071,568.57/178,193.28
  6. Step 6: Final answer
    x = 140,364.84

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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.