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Finding the Fourth Proportional to 93,158.16, 139,758 and 33,993.84

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Solution

The fourth proportional to 93,158.16, 139,758 and 33,993.84 is: 50,998.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,158.16 : 139,758 = 33,993.84 : x
  2. Step 2: Convert to fraction form
    93,158.16/139,758 = 33,993.84/x
  3. Step 3: Cross multiply
    93,158.16x = 139,758 × 33,993.84
  4. Step 4: Simplify right side
    93,158.16x = 4,750,911,090.72
  5. Step 5: Solve for x
    x = 4,750,911,090.72/93,158.16
  6. Step 6: Final answer
    x = 50,998.34

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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.