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Finding the Fourth Proportional to 194,548.32, 291,578.88 and 104,368.32

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Solution

The fourth proportional to 194,548.32, 291,578.88 and 104,368.32 is: 156,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,548.32 : 291,578.88 = 104,368.32 : x
  2. Step 2: Convert to fraction form
    194,548.32/291,578.88 = 104,368.32/x
  3. Step 3: Cross multiply
    194,548.32x = 291,578.88 × 104,368.32
  4. Step 4: Simplify right side
    194,548.32x = 30,431,597,853.08
  5. Step 5: Solve for x
    x = 30,431,597,853.08/194,548.32
  6. Step 6: Final answer
    x = 156,421.80

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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.