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Finding the Fourth Proportional to 104,708.85, 144,498.09 and 56,962.08

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Solution

The fourth proportional to 104,708.85, 144,498.09 and 56,962.08 is: 78,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,708.85 : 144,498.09 = 56,962.08 : x
  2. Step 2: Convert to fraction form
    104,708.85/144,498.09 = 56,962.08/x
  3. Step 3: Cross multiply
    104,708.85x = 144,498.09 × 56,962.08
  4. Step 4: Simplify right side
    104,708.85x = 8,230,911,762.43
  5. Step 5: Solve for x
    x = 8,230,911,762.43/104,708.85
  6. Step 6: Final answer
    x = 78,607.60

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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.