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Finding the Fourth Proportional to 170,737.96, 256,237.62 and 77,309.32

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Solution

The fourth proportional to 170,737.96, 256,237.62 and 77,309.32 is: 116,023.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,737.96 : 256,237.62 = 77,309.32 : x
  2. Step 2: Convert to fraction form
    170,737.96/256,237.62 = 77,309.32/x
  3. Step 3: Cross multiply
    170,737.96x = 256,237.62 × 77,309.32
  4. Step 4: Simplify right side
    170,737.96x = 19,809,556,160.62
  5. Step 5: Solve for x
    x = 19,809,556,160.62/170,737.96
  6. Step 6: Final answer
    x = 116,023.15

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1.5x scale

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.