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Finding the Fourth Proportional to 144,792.13, 199,813.20 and 88,203.51

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Solution

The fourth proportional to 144,792.13, 199,813.20 and 88,203.51 is: 121,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,792.13 : 199,813.20 = 88,203.51 : x
  2. Step 2: Convert to fraction form
    144,792.13/199,813.20 = 88,203.51/x
  3. Step 3: Cross multiply
    144,792.13x = 199,813.20 × 88,203.51
  4. Step 4: Simplify right side
    144,792.13x = 17,624,224,585.27
  5. Step 5: Solve for x
    x = 17,624,224,585.27/144,792.13
  6. Step 6: Final answer
    x = 121,720.87

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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.