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Finding the Fourth Proportional to 117,850.02, 162,630.74 and 65,460.12

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Solution

The fourth proportional to 117,850.02, 162,630.74 and 65,460.12 is: 90,333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,850.02 : 162,630.74 = 65,460.12 : x
  2. Step 2: Convert to fraction form
    117,850.02/162,630.74 = 65,460.12/x
  3. Step 3: Cross multiply
    117,850.02x = 162,630.74 × 65,460.12
  4. Step 4: Simplify right side
    117,850.02x = 10,645,827,756.09
  5. Step 5: Solve for x
    x = 10,645,827,756.09/117,850.02
  6. Step 6: Final answer
    x = 90,333.69

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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.