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Finding the Fourth Proportional to 117,586.48, 176,378.74 and 47,464.72

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Solution

The fourth proportional to 117,586.48, 176,378.74 and 47,464.72 is: 71,196.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,586.48 : 176,378.74 = 47,464.72 : x
  2. Step 2: Convert to fraction form
    117,586.48/176,378.74 = 47,464.72/x
  3. Step 3: Cross multiply
    117,586.48x = 176,378.74 × 47,464.72
  4. Step 4: Simplify right side
    117,586.48x = 8,371,767,508.05
  5. Step 5: Solve for x
    x = 8,371,767,508.05/117,586.48
  6. Step 6: Final answer
    x = 71,196.68

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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.