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Finding the Fourth Proportional to 93,162.01, 128,560.12 and 50,719.69

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Solution

The fourth proportional to 93,162.01, 128,560.12 and 50,719.69 is: 69,991.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,162.01 : 128,560.12 = 50,719.69 : x
  2. Step 2: Convert to fraction form
    93,162.01/128,560.12 = 50,719.69/x
  3. Step 3: Cross multiply
    93,162.01x = 128,560.12 × 50,719.69
  4. Step 4: Simplify right side
    93,162.01x = 6,520,529,432.76
  5. Step 5: Solve for x
    x = 6,520,529,432.76/93,162.01
  6. Step 6: Final answer
    x = 69,991.29

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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.