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Finding the Fourth Proportional to 104,584, 144,323.42 and 58,640.58

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Solution

The fourth proportional to 104,584, 144,323.42 and 58,640.58 is: 80,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,584 : 144,323.42 = 58,640.58 : x
  2. Step 2: Convert to fraction form
    104,584/144,323.42 = 58,640.58/x
  3. Step 3: Cross multiply
    104,584x = 144,323.42 × 58,640.58
  4. Step 4: Simplify right side
    104,584x = 8,463,209,056.38
  5. Step 5: Solve for x
    x = 8,463,209,056.38/104,584
  6. Step 6: Final answer
    x = 80,922.60

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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.