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Finding the Fourth Proportional to 295,090.80, 442,660.58 and 124,361.90

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Solution

The fourth proportional to 295,090.80, 442,660.58 and 124,361.90 is: 186,553.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,090.80 : 442,660.58 = 124,361.90 : x
  2. Step 2: Convert to fraction form
    295,090.80/442,660.58 = 124,361.90/x
  3. Step 3: Cross multiply
    295,090.80x = 442,660.58 × 124,361.90
  4. Step 4: Simplify right side
    295,090.80x = 55,050,110,783.90
  5. Step 5: Solve for x
    x = 55,050,110,783.90/295,090.80
  6. Step 6: Final answer
    x = 186,553.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.