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Finding the Fourth Proportional to 104,756.16, 144,582.24 and 67,029.12

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Solution

The fourth proportional to 104,756.16, 144,582.24 and 67,029.12 is: 92,512.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,756.16 : 144,582.24 = 67,029.12 : x
  2. Step 2: Convert to fraction form
    104,756.16/144,582.24 = 67,029.12/x
  3. Step 3: Cross multiply
    104,756.16x = 144,582.24 × 67,029.12
  4. Step 4: Simplify right side
    104,756.16x = 9,691,220,314.83
  5. Step 5: Solve for x
    x = 9,691,220,314.83/104,756.16
  6. Step 6: Final answer
    x = 92,512.18

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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.