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Finding the Fourth Proportional to 235,407.57, 353,108.32 and 57,916.14

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Solution

The fourth proportional to 235,407.57, 353,108.32 and 57,916.14 is: 86,873.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,407.57 : 353,108.32 = 57,916.14 : x
  2. Step 2: Convert to fraction form
    235,407.57/353,108.32 = 57,916.14/x
  3. Step 3: Cross multiply
    235,407.57x = 353,108.32 × 57,916.14
  4. Step 4: Simplify right side
    235,407.57x = 20,450,670,751.49
  5. Step 5: Solve for x
    x = 20,450,670,751.49/235,407.57
  6. Step 6: Final answer
    x = 86,873.46

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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.