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Finding the Fourth Proportional to 107,090.68, 147,783.96 and 58,693

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Solution

The fourth proportional to 107,090.68, 147,783.96 and 58,693 is: 80,995.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,090.68 : 147,783.96 = 58,693 : x
  2. Step 2: Convert to fraction form
    107,090.68/147,783.96 = 58,693/x
  3. Step 3: Cross multiply
    107,090.68x = 147,783.96 × 58,693
  4. Step 4: Simplify right side
    107,090.68x = 8,673,883,964.28
  5. Step 5: Solve for x
    x = 8,673,883,964.28/107,090.68
  6. Step 6: Final answer
    x = 80,995.69

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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.