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Finding the Fourth Proportional to 112,744.55, 168,994.55 and 56,448.90

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Solution

The fourth proportional to 112,744.55, 168,994.55 and 56,448.90 is: 84,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,744.55 : 168,994.55 = 56,448.90 : x
  2. Step 2: Convert to fraction form
    112,744.55/168,994.55 = 56,448.90/x
  3. Step 3: Cross multiply
    112,744.55x = 168,994.55 × 56,448.90
  4. Step 4: Simplify right side
    112,744.55x = 9,539,556,453.50
  5. Step 5: Solve for x
    x = 9,539,556,453.50/112,744.55
  6. Step 6: Final answer
    x = 84,612.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.