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Finding the Fourth Proportional to 93,457.59, 140,081.90 and 49,089.03

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Solution

The fourth proportional to 93,457.59, 140,081.90 and 49,089.03 is: 73,578.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,457.59 : 140,081.90 = 49,089.03 : x
  2. Step 2: Convert to fraction form
    93,457.59/140,081.90 = 49,089.03/x
  3. Step 3: Cross multiply
    93,457.59x = 140,081.90 × 49,089.03
  4. Step 4: Simplify right side
    93,457.59x = 6,876,484,346.11
  5. Step 5: Solve for x
    x = 6,876,484,346.11/93,457.59
  6. Step 6: Final answer
    x = 73,578.66

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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.