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Finding the Fourth Proportional to 93,225.30, 139,744.31 and 29,998.95

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Solution

The fourth proportional to 93,225.30, 139,744.31 and 29,998.95 is: 44,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,225.30 : 139,744.31 = 29,998.95 : x
  2. Step 2: Convert to fraction form
    93,225.30/139,744.31 = 29,998.95/x
  3. Step 3: Cross multiply
    93,225.30x = 139,744.31 × 29,998.95
  4. Step 4: Simplify right side
    93,225.30x = 4,192,182,992.83
  5. Step 5: Solve for x
    x = 4,192,182,992.83/93,225.30
  6. Step 6: Final answer
    x = 44,968.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.