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Finding the Fourth Proportional to 104,360, 144,016.80 and 59,648.96

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Solution

The fourth proportional to 104,360, 144,016.80 and 59,648.96 is: 82,315.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,360 : 144,016.80 = 59,648.96 : x
  2. Step 2: Convert to fraction form
    104,360/144,016.80 = 59,648.96/x
  3. Step 3: Cross multiply
    104,360x = 144,016.80 × 59,648.96
  4. Step 4: Simplify right side
    104,360x = 8,590,452,342.53
  5. Step 5: Solve for x
    x = 8,590,452,342.53/104,360
  6. Step 6: Final answer
    x = 82,315.56

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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.