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Finding the Fourth Proportional to 104,781.78, 144,611.18 and 58,848.98

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Solution

The fourth proportional to 104,781.78, 144,611.18 and 58,848.98 is: 81,218.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,781.78 : 144,611.18 = 58,848.98 : x
  2. Step 2: Convert to fraction form
    104,781.78/144,611.18 = 58,848.98/x
  3. Step 3: Cross multiply
    104,781.78x = 144,611.18 × 58,848.98
  4. Step 4: Simplify right side
    104,781.78x = 8,510,219,422.30
  5. Step 5: Solve for x
    x = 8,510,219,422.30/104,781.78
  6. Step 6: Final answer
    x = 81,218.50

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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.