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Finding the Fourth Proportional to 104,809.44, 144,568.08 and 67,130.40

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Solution

The fourth proportional to 104,809.44, 144,568.08 and 67,130.40 is: 92,595.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,809.44 : 144,568.08 = 67,130.40 : x
  2. Step 2: Convert to fraction form
    104,809.44/144,568.08 = 67,130.40/x
  3. Step 3: Cross multiply
    104,809.44x = 144,568.08 × 67,130.40
  4. Step 4: Simplify right side
    104,809.44x = 9,704,913,037.63
  5. Step 5: Solve for x
    x = 9,704,913,037.63/104,809.44
  6. Step 6: Final answer
    x = 92,595.79

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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.