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Finding the Fourth Proportional to 342,737.48, 514,211.31 and 153,357.25

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Solution

The fourth proportional to 342,737.48, 514,211.31 and 153,357.25 is: 230,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,737.48 : 514,211.31 = 153,357.25 : x
  2. Step 2: Convert to fraction form
    342,737.48/514,211.31 = 153,357.25/x
  3. Step 3: Cross multiply
    342,737.48x = 514,211.31 × 153,357.25
  4. Step 4: Simplify right side
    342,737.48x = 78,858,030,751.58
  5. Step 5: Solve for x
    x = 78,858,030,751.58/342,737.48
  6. Step 6: Final answer
    x = 230,082.90

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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.