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Finding the Fourth Proportional to 194,617.60, 291,926.40 and 114,573.40

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Solution

The fourth proportional to 194,617.60, 291,926.40 and 114,573.40 is: 171,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,617.60 : 291,926.40 = 114,573.40 : x
  2. Step 2: Convert to fraction form
    194,617.60/291,926.40 = 114,573.40/x
  3. Step 3: Cross multiply
    194,617.60x = 291,926.40 × 114,573.40
  4. Step 4: Simplify right side
    194,617.60x = 33,447,000,197.76
  5. Step 5: Solve for x
    x = 33,447,000,197.76/194,617.60
  6. Step 6: Final answer
    x = 171,860.10

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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.