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Finding the Fourth Proportional to 104,460.80, 144,156 and 56,714.12

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Solution

The fourth proportional to 104,460.80, 144,156 and 56,714.12 is: 78,265.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,460.80 : 144,156 = 56,714.12 : x
  2. Step 2: Convert to fraction form
    104,460.80/144,156 = 56,714.12/x
  3. Step 3: Cross multiply
    104,460.80x = 144,156 × 56,714.12
  4. Step 4: Simplify right side
    104,460.80x = 8,175,680,682.72
  5. Step 5: Solve for x
    x = 8,175,680,682.72/104,460.80
  6. Step 6: Final answer
    x = 78,265.54

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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.