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Finding the Fourth Proportional to 194,586.88, 291,857.28 and 61,461.76

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Solution

The fourth proportional to 194,586.88, 291,857.28 and 61,461.76 is: 92,185.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,586.88 : 291,857.28 = 61,461.76 : x
  2. Step 2: Convert to fraction form
    194,586.88/291,857.28 = 61,461.76/x
  3. Step 3: Cross multiply
    194,586.88x = 291,857.28 × 61,461.76
  4. Step 4: Simplify right side
    194,586.88x = 17,938,062,097.61
  5. Step 5: Solve for x
    x = 17,938,062,097.61/194,586.88
  6. Step 6: Final answer
    x = 92,185.36

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1.5x scale

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.