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Finding the Fourth Proportional to 117,841.39, 162,619.74 and 64,125.48

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Solution

The fourth proportional to 117,841.39, 162,619.74 and 64,125.48 is: 88,492.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,841.39 : 162,619.74 = 64,125.48 : x
  2. Step 2: Convert to fraction form
    117,841.39/162,619.74 = 64,125.48/x
  3. Step 3: Cross multiply
    117,841.39x = 162,619.74 × 64,125.48
  4. Step 4: Simplify right side
    117,841.39x = 10,428,068,884.98
  5. Step 5: Solve for x
    x = 10,428,068,884.98/117,841.39
  6. Step 6: Final answer
    x = 88,492.41

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1.5x scale

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.