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Finding the Fourth Proportional to 107,383, 148,190.52 and 59,640.80

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Solution

The fourth proportional to 107,383, 148,190.52 and 59,640.80 is: 82,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,383 : 148,190.52 = 59,640.80 : x
  2. Step 2: Convert to fraction form
    107,383/148,190.52 = 59,640.80/x
  3. Step 3: Cross multiply
    107,383x = 148,190.52 × 59,640.80
  4. Step 4: Simplify right side
    107,383x = 8,838,201,165.22
  5. Step 5: Solve for x
    x = 8,838,201,165.22/107,383
  6. Step 6: Final answer
    x = 82,305.40

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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.