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Finding the Fourth Proportional to 194,636.48, 291,954.72 and 69,909.44

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Solution

The fourth proportional to 194,636.48, 291,954.72 and 69,909.44 is: 104,864.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,636.48 : 291,954.72 = 69,909.44 : x
  2. Step 2: Convert to fraction form
    194,636.48/291,954.72 = 69,909.44/x
  3. Step 3: Cross multiply
    194,636.48x = 291,954.72 × 69,909.44
  4. Step 4: Simplify right side
    194,636.48x = 20,410,390,980.56
  5. Step 5: Solve for x
    x = 20,410,390,980.56/194,636.48
  6. Step 6: Final answer
    x = 104,864.16

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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.