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Finding the Fourth Proportional to 73,068.48, 100,834.65 and 40,802.94

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Solution

The fourth proportional to 73,068.48, 100,834.65 and 40,802.94 is: 56,308.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,068.48 : 100,834.65 = 40,802.94 : x
  2. Step 2: Convert to fraction form
    73,068.48/100,834.65 = 40,802.94/x
  3. Step 3: Cross multiply
    73,068.48x = 100,834.65 × 40,802.94
  4. Step 4: Simplify right side
    73,068.48x = 4,114,350,173.87
  5. Step 5: Solve for x
    x = 4,114,350,173.87/73,068.48
  6. Step 6: Final answer
    x = 56,308.14

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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.