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Finding the Fourth Proportional to 194,448.72, 291,648.48 and 76,203.10

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Solution

The fourth proportional to 194,448.72, 291,648.48 and 76,203.10 is: 114,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,448.72 : 291,648.48 = 76,203.10 : x
  2. Step 2: Convert to fraction form
    194,448.72/291,648.48 = 76,203.10/x
  3. Step 3: Cross multiply
    194,448.72x = 291,648.48 × 76,203.10
  4. Step 4: Simplify right side
    194,448.72x = 22,224,518,286.29
  5. Step 5: Solve for x
    x = 22,224,518,286.29/194,448.72
  6. Step 6: Final answer
    x = 114,295.01

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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.