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Finding the Fourth Proportional to 117,530.60, 176,259.90 and 38,626.60

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Solution

The fourth proportional to 117,530.60, 176,259.90 and 38,626.60 is: 57,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,530.60 : 176,259.90 = 38,626.60 : x
  2. Step 2: Convert to fraction form
    117,530.60/176,259.90 = 38,626.60/x
  3. Step 3: Cross multiply
    117,530.60x = 176,259.90 × 38,626.60
  4. Step 4: Simplify right side
    117,530.60x = 6,808,320,653.34
  5. Step 5: Solve for x
    x = 6,808,320,653.34/117,530.60
  6. Step 6: Final answer
    x = 57,928.07

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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.