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Finding the Fourth Proportional to 93,338.92, 128,808.24 and 50,898.16

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Solution

The fourth proportional to 93,338.92, 128,808.24 and 50,898.16 is: 70,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,338.92 : 128,808.24 = 50,898.16 : x
  2. Step 2: Convert to fraction form
    93,338.92/128,808.24 = 50,898.16/x
  3. Step 3: Cross multiply
    93,338.92x = 128,808.24 × 50,898.16
  4. Step 4: Simplify right side
    93,338.92x = 6,556,102,408.84
  5. Step 5: Solve for x
    x = 6,556,102,408.84/93,338.92
  6. Step 6: Final answer
    x = 70,239.75

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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.