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Finding the Fourth Proportional to 93,841.76, 140,747.70 and 30,661.32

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Solution

The fourth proportional to 93,841.76, 140,747.70 and 30,661.32 is: 45,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,841.76 : 140,747.70 = 30,661.32 : x
  2. Step 2: Convert to fraction form
    93,841.76/140,747.70 = 30,661.32/x
  3. Step 3: Cross multiply
    93,841.76x = 140,747.70 × 30,661.32
  4. Step 4: Simplify right side
    93,841.76x = 4,315,510,268.96
  5. Step 5: Solve for x
    x = 4,315,510,268.96/93,841.76
  6. Step 6: Final answer
    x = 45,987.10

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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.