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Finding the Fourth Proportional to 117,346.68, 176,019.45 and 38,460.42

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Solution

The fourth proportional to 117,346.68, 176,019.45 and 38,460.42 is: 57,690.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,346.68 : 176,019.45 = 38,460.42 : x
  2. Step 2: Convert to fraction form
    117,346.68/176,019.45 = 38,460.42/x
  3. Step 3: Cross multiply
    117,346.68x = 176,019.45 × 38,460.42
  4. Step 4: Simplify right side
    117,346.68x = 6,769,781,975.17
  5. Step 5: Solve for x
    x = 6,769,781,975.17/117,346.68
  6. Step 6: Final answer
    x = 57,690.44

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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.