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Finding the Fourth Proportional to 104,377.80, 144,041.94 and 56,631.24

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Solution

The fourth proportional to 104,377.80, 144,041.94 and 56,631.24 is: 78,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,377.80 : 144,041.94 = 56,631.24 : x
  2. Step 2: Convert to fraction form
    104,377.80/144,041.94 = 56,631.24/x
  3. Step 3: Cross multiply
    104,377.80x = 144,041.94 × 56,631.24
  4. Step 4: Simplify right side
    104,377.80x = 8,157,273,674.21
  5. Step 5: Solve for x
    x = 8,157,273,674.21/104,377.80
  6. Step 6: Final answer
    x = 78,151.42

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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.