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Finding the Fourth Proportional to 104,507.68, 144,218.22 and 56,760.01

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Solution

The fourth proportional to 104,507.68, 144,218.22 and 56,760.01 is: 78,327.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,507.68 : 144,218.22 = 56,760.01 : x
  2. Step 2: Convert to fraction form
    104,507.68/144,218.22 = 56,760.01/x
  3. Step 3: Cross multiply
    104,507.68x = 144,218.22 × 56,760.01
  4. Step 4: Simplify right side
    104,507.68x = 8,185,827,609.38
  5. Step 5: Solve for x
    x = 8,185,827,609.38/104,507.68
  6. Step 6: Final answer
    x = 78,327.52

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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.