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Finding the Fourth Proportional to 93,582.86, 129,107.71 and 57,710.60

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Solution

The fourth proportional to 93,582.86, 129,107.71 and 57,710.60 is: 79,618.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,582.86 : 129,107.71 = 57,710.60 : x
  2. Step 2: Convert to fraction form
    93,582.86/129,107.71 = 57,710.60/x
  3. Step 3: Cross multiply
    93,582.86x = 129,107.71 × 57,710.60
  4. Step 4: Simplify right side
    93,582.86x = 7,450,883,408.73
  5. Step 5: Solve for x
    x = 7,450,883,408.73/93,582.86
  6. Step 6: Final answer
    x = 79,618.03

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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.