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Finding the Fourth Proportional to 194,845.80, 291,750.30 and 124,343.40

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Solution

The fourth proportional to 194,845.80, 291,750.30 and 124,343.40 is: 186,184.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,845.80 : 291,750.30 = 124,343.40 : x
  2. Step 2: Convert to fraction form
    194,845.80/291,750.30 = 124,343.40/x
  3. Step 3: Cross multiply
    194,845.80x = 291,750.30 × 124,343.40
  4. Step 4: Simplify right side
    194,845.80x = 36,277,224,253.02
  5. Step 5: Solve for x
    x = 36,277,224,253.02/194,845.80
  6. Step 6: Final answer
    x = 186,184.28

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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.