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Finding the Fourth Proportional to 160,636.50, 221,683.23 and 89,009.82

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Solution

The fourth proportional to 160,636.50, 221,683.23 and 89,009.82 is: 122,836.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,636.50 : 221,683.23 = 89,009.82 : x
  2. Step 2: Convert to fraction form
    160,636.50/221,683.23 = 89,009.82/x
  3. Step 3: Cross multiply
    160,636.50x = 221,683.23 × 89,009.82
  4. Step 4: Simplify right side
    160,636.50x = 19,731,984,399.32
  5. Step 5: Solve for x
    x = 19,731,984,399.32/160,636.50
  6. Step 6: Final answer
    x = 122,836.24

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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.