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Finding the Fourth Proportional to 194,549.57, 291,580.75 and 104,369.57

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Solution

The fourth proportional to 194,549.57, 291,580.75 and 104,369.57 is: 156,423.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,549.57 : 291,580.75 = 104,369.57 : x
  2. Step 2: Convert to fraction form
    194,549.57/291,580.75 = 104,369.57/x
  3. Step 3: Cross multiply
    194,549.57x = 291,580.75 × 104,369.57
  4. Step 4: Simplify right side
    194,549.57x = 30,432,157,497.78
  5. Step 5: Solve for x
    x = 30,432,157,497.78/194,549.57
  6. Step 6: Final answer
    x = 156,423.67

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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.