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Finding the Fourth Proportional to 117,599.60, 176,284.20 and 61,468.40

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Solution

The fourth proportional to 117,599.60, 176,284.20 and 61,468.40 is: 92,142.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,599.60 : 176,284.20 = 61,468.40 : x
  2. Step 2: Convert to fraction form
    117,599.60/176,284.20 = 61,468.40/x
  3. Step 3: Cross multiply
    117,599.60x = 176,284.20 × 61,468.40
  4. Step 4: Simplify right side
    117,599.60x = 10,835,907,719.28
  5. Step 5: Solve for x
    x = 10,835,907,719.28/117,599.60
  6. Step 6: Final answer
    x = 92,142.39

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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.