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Finding the Fourth Proportional to 116,041.36, 160,136.52 and 65,740.24

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Solution

The fourth proportional to 116,041.36, 160,136.52 and 65,740.24 is: 90,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,041.36 : 160,136.52 = 65,740.24 : x
  2. Step 2: Convert to fraction form
    116,041.36/160,136.52 = 65,740.24/x
  3. Step 3: Cross multiply
    116,041.36x = 160,136.52 × 65,740.24
  4. Step 4: Simplify right side
    116,041.36x = 10,527,413,257.56
  5. Step 5: Solve for x
    x = 10,527,413,257.56/116,041.36
  6. Step 6: Final answer
    x = 90,721.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.