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Finding the Fourth Proportional to 201,545.25, 300,703.22 and 160,829.12

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Solution

The fourth proportional to 201,545.25, 300,703.22 and 160,829.12 is: 239,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,545.25 : 300,703.22 = 160,829.12 : x
  2. Step 2: Convert to fraction form
    201,545.25/300,703.22 = 160,829.12/x
  3. Step 3: Cross multiply
    201,545.25x = 300,703.22 × 160,829.12
  4. Step 4: Simplify right side
    201,545.25x = 48,361,833,851.69
  5. Step 5: Solve for x
    x = 48,361,833,851.69/201,545.25
  6. Step 6: Final answer
    x = 239,955.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.