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Finding the Fourth Proportional to 104,671.95, 144,448.35 and 56,926.35

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Solution

The fourth proportional to 104,671.95, 144,448.35 and 56,926.35 is: 78,558.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,671.95 : 144,448.35 = 56,926.35 : x
  2. Step 2: Convert to fraction form
    104,671.95/144,448.35 = 56,926.35/x
  3. Step 3: Cross multiply
    104,671.95x = 144,448.35 × 56,926.35
  4. Step 4: Simplify right side
    104,671.95x = 8,222,917,329.02
  5. Step 5: Solve for x
    x = 8,222,917,329.02/104,671.95
  6. Step 6: Final answer
    x = 78,558.94

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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.