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Finding the Fourth Proportional to 117,478.34, 176,216.70 and 28,733.12

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Solution

The fourth proportional to 117,478.34, 176,216.70 and 28,733.12 is: 43,099.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,478.34 : 176,216.70 = 28,733.12 : x
  2. Step 2: Convert to fraction form
    117,478.34/176,216.70 = 28,733.12/x
  3. Step 3: Cross multiply
    117,478.34x = 176,216.70 × 28,733.12
  4. Step 4: Simplify right side
    117,478.34x = 5,063,255,587.10
  5. Step 5: Solve for x
    x = 5,063,255,587.10/117,478.34
  6. Step 6: Final answer
    x = 43,099.48

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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.