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Finding the Fourth Proportional to 193,482.34, 266,990.98 and 108,583

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Solution

The fourth proportional to 193,482.34, 266,990.98 and 108,583 is: 149,836.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,482.34 : 266,990.98 = 108,583 : x
  2. Step 2: Convert to fraction form
    193,482.34/266,990.98 = 108,583/x
  3. Step 3: Cross multiply
    193,482.34x = 266,990.98 × 108,583
  4. Step 4: Simplify right side
    193,482.34x = 28,990,681,581.34
  5. Step 5: Solve for x
    x = 28,990,681,581.34/193,482.34
  6. Step 6: Final answer
    x = 149,836.32

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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.