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Finding the Fourth Proportional to 93,036.34, 128,388.94 and 50,593.96

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Solution

The fourth proportional to 93,036.34, 128,388.94 and 50,593.96 is: 69,819.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,036.34 : 128,388.94 = 50,593.96 : x
  2. Step 2: Convert to fraction form
    93,036.34/128,388.94 = 50,593.96/x
  3. Step 3: Cross multiply
    93,036.34x = 128,388.94 × 50,593.96
  4. Step 4: Simplify right side
    93,036.34x = 6,495,704,894.80
  5. Step 5: Solve for x
    x = 6,495,704,894.80/93,036.34
  6. Step 6: Final answer
    x = 69,819.01

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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.