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Finding the Fourth Proportional to 104,645.64, 144,407.92 and 59,327.80

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Solution

The fourth proportional to 104,645.64, 144,407.92 and 59,327.80 is: 81,870.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,645.64 : 144,407.92 = 59,327.80 : x
  2. Step 2: Convert to fraction form
    104,645.64/144,407.92 = 59,327.80/x
  3. Step 3: Cross multiply
    104,645.64x = 144,407.92 × 59,327.80
  4. Step 4: Simplify right side
    104,645.64x = 8,567,404,196.18
  5. Step 5: Solve for x
    x = 8,567,404,196.18/104,645.64
  6. Step 6: Final answer
    x = 81,870.63

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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.