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Finding the Fourth Proportional to 93,374.00, 128,819.39 and 57,501.74

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Solution

The fourth proportional to 93,374.00, 128,819.39 and 57,501.74 is: 79,329.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,374.00 : 128,819.39 = 57,501.74 : x
  2. Step 2: Convert to fraction form
    93,374.00/128,819.39 = 57,501.74/x
  3. Step 3: Cross multiply
    93,374.00x = 128,819.39 × 57,501.74
  4. Step 4: Simplify right side
    93,374.00x = 7,407,338,139.13
  5. Step 5: Solve for x
    x = 7,407,338,139.13/93,374.00
  6. Step 6: Final answer
    x = 79,329.78

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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.