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Finding the Fourth Proportional to 93,334.78, 128,802 and 59,800.78

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Solution

The fourth proportional to 93,334.78, 128,802 and 59,800.78 is: 82,525.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,334.78 : 128,802 = 59,800.78 : x
  2. Step 2: Convert to fraction form
    93,334.78/128,802 = 59,800.78/x
  3. Step 3: Cross multiply
    93,334.78x = 128,802 × 59,800.78
  4. Step 4: Simplify right side
    93,334.78x = 7,702,460,065.56
  5. Step 5: Solve for x
    x = 7,702,460,065.56/93,334.78
  6. Step 6: Final answer
    x = 82,525.08

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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.