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Finding the Fourth Proportional to 104,607.87, 144,355.82 and 56,859.99

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Solution

The fourth proportional to 104,607.87, 144,355.82 and 56,859.99 is: 78,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,607.87 : 144,355.82 = 56,859.99 : x
  2. Step 2: Convert to fraction form
    104,607.87/144,355.82 = 56,859.99/x
  3. Step 3: Cross multiply
    104,607.87x = 144,355.82 × 56,859.99
  4. Step 4: Simplify right side
    104,607.87x = 8,208,070,197.34
  5. Step 5: Solve for x
    x = 8,208,070,197.34/104,607.87
  6. Step 6: Final answer
    x = 78,465.13

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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.