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Finding the Fourth Proportional to 194,570.40, 291,855.72 and 61,464.24

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Solution

The fourth proportional to 194,570.40, 291,855.72 and 61,464.24 is: 92,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,570.40 : 291,855.72 = 61,464.24 : x
  2. Step 2: Convert to fraction form
    194,570.40/291,855.72 = 61,464.24/x
  3. Step 3: Cross multiply
    194,570.40x = 291,855.72 × 61,464.24
  4. Step 4: Simplify right side
    194,570.40x = 17,938,690,019.45
  5. Step 5: Solve for x
    x = 17,938,690,019.45/194,570.40
  6. Step 6: Final answer
    x = 92,196.40

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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.