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Finding the Fourth Proportional to 104,377.41, 144,039.53 and 56,630.41

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Solution

The fourth proportional to 104,377.41, 144,039.53 and 56,630.41 is: 78,149.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,377.41 : 144,039.53 = 56,630.41 : x
  2. Step 2: Convert to fraction form
    104,377.41/144,039.53 = 56,630.41/x
  3. Step 3: Cross multiply
    104,377.41x = 144,039.53 × 56,630.41
  4. Step 4: Simplify right side
    104,377.41x = 8,157,017,421.58
  5. Step 5: Solve for x
    x = 8,157,017,421.58/104,377.41
  6. Step 6: Final answer
    x = 78,149.26

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1.5x scale

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.