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Finding the Fourth Proportional to 201,761.47, 302,485.33 and 130,533.62

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Solution

The fourth proportional to 201,761.47, 302,485.33 and 130,533.62 is: 195,698.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,761.47 : 302,485.33 = 130,533.62 : x
  2. Step 2: Convert to fraction form
    201,761.47/302,485.33 = 130,533.62/x
  3. Step 3: Cross multiply
    201,761.47x = 302,485.33 × 130,533.62
  4. Step 4: Simplify right side
    201,761.47x = 39,484,503,772.54
  5. Step 5: Solve for x
    x = 39,484,503,772.54/201,761.47
  6. Step 6: Final answer
    x = 195,698.93

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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.