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Finding the Fourth Proportional to 194,572.40, 291,642.60 and 76,204.40

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Solution

The fourth proportional to 194,572.40, 291,642.60 and 76,204.40 is: 114,222.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,572.40 : 291,642.60 = 76,204.40 : x
  2. Step 2: Convert to fraction form
    194,572.40/291,642.60 = 76,204.40/x
  3. Step 3: Cross multiply
    194,572.40x = 291,642.60 × 76,204.40
  4. Step 4: Simplify right side
    194,572.40x = 22,224,449,347.44
  5. Step 5: Solve for x
    x = 22,224,449,347.44/194,572.40
  6. Step 6: Final answer
    x = 114,222.00

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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.