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Finding the Fourth Proportional to 159,244.19, 238,866.47 and 40,916.51

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Solution

The fourth proportional to 159,244.19, 238,866.47 and 40,916.51 is: 61,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,244.19 : 238,866.47 = 40,916.51 : x
  2. Step 2: Convert to fraction form
    159,244.19/238,866.47 = 40,916.51/x
  3. Step 3: Cross multiply
    159,244.19x = 238,866.47 × 40,916.51
  4. Step 4: Simplify right side
    159,244.19x = 9,773,582,103.84
  5. Step 5: Solve for x
    x = 9,773,582,103.84/159,244.19
  6. Step 6: Final answer
    x = 61,374.81

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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.