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Finding the Fourth Proportional to 68,097.19, 102,162.16 and 21,350.06

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Solution

The fourth proportional to 68,097.19, 102,162.16 and 21,350.06 is: 32,030.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,097.19 : 102,162.16 = 21,350.06 : x
  2. Step 2: Convert to fraction form
    68,097.19/102,162.16 = 21,350.06/x
  3. Step 3: Cross multiply
    68,097.19x = 102,162.16 × 21,350.06
  4. Step 4: Simplify right side
    68,097.19x = 2,181,168,719.38
  5. Step 5: Solve for x
    x = 2,181,168,719.38/68,097.19
  6. Step 6: Final answer
    x = 32,030.23

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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.