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Finding the Fourth Proportional to 104,812.32, 144,737.10 and 66,584.16

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Solution

The fourth proportional to 104,812.32, 144,737.10 and 66,584.16 is: 91,947.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,812.32 : 144,737.10 = 66,584.16 : x
  2. Step 2: Convert to fraction form
    104,812.32/144,737.10 = 66,584.16/x
  3. Step 3: Cross multiply
    104,812.32x = 144,737.10 × 66,584.16
  4. Step 4: Simplify right side
    104,812.32x = 9,637,198,224.34
  5. Step 5: Solve for x
    x = 9,637,198,224.34/104,812.32
  6. Step 6: Final answer
    x = 91,947.19

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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.