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Finding the Fourth Proportional to 78,503.35, 108,337.47 and 44,975.83

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Solution

The fourth proportional to 78,503.35, 108,337.47 and 44,975.83 is: 62,068.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,503.35 : 108,337.47 = 44,975.83 : x
  2. Step 2: Convert to fraction form
    78,503.35/108,337.47 = 44,975.83/x
  3. Step 3: Cross multiply
    78,503.35x = 108,337.47 × 44,975.83
  4. Step 4: Simplify right side
    78,503.35x = 4,872,567,633.35
  5. Step 5: Solve for x
    x = 4,872,567,633.35/78,503.35
  6. Step 6: Final answer
    x = 62,068.28

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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.