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Finding the Fourth Proportional to 201,519.60, 302,473.80 and 101,792.40

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Solution

The fourth proportional to 201,519.60, 302,473.80 and 101,792.40 is: 152,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,519.60 : 302,473.80 = 101,792.40 : x
  2. Step 2: Convert to fraction form
    201,519.60/302,473.80 = 101,792.40/x
  3. Step 3: Cross multiply
    201,519.60x = 302,473.80 × 101,792.40
  4. Step 4: Simplify right side
    201,519.60x = 30,789,534,039.12
  5. Step 5: Solve for x
    x = 30,789,534,039.12/201,519.60
  6. Step 6: Final answer
    x = 152,786.80

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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.