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Finding the Fourth Proportional to 234,034.80, 351,051.43 and 56,541.81

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Solution

The fourth proportional to 234,034.80, 351,051.43 and 56,541.81 is: 84,812.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,034.80 : 351,051.43 = 56,541.81 : x
  2. Step 2: Convert to fraction form
    234,034.80/351,051.43 = 56,541.81/x
  3. Step 3: Cross multiply
    234,034.80x = 351,051.43 × 56,541.81
  4. Step 4: Simplify right side
    234,034.80x = 19,849,083,134.91
  5. Step 5: Solve for x
    x = 19,849,083,134.91/234,034.80
  6. Step 6: Final answer
    x = 84,812.53

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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.