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Finding the Fourth Proportional to 74,312.48, 102,463.44 and 60,834.08

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Solution

The fourth proportional to 74,312.48, 102,463.44 and 60,834.08 is: 83,879.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,312.48 : 102,463.44 = 60,834.08 : x
  2. Step 2: Convert to fraction form
    74,312.48/102,463.44 = 60,834.08/x
  3. Step 3: Cross multiply
    74,312.48x = 102,463.44 × 60,834.08
  4. Step 4: Simplify right side
    74,312.48x = 6,233,269,106.04
  5. Step 5: Solve for x
    x = 6,233,269,106.04/74,312.48
  6. Step 6: Final answer
    x = 83,879.17

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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.