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Finding the Fourth Proportional to 199,547.40, 299,321.10 and 160,181.40

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Solution

The fourth proportional to 199,547.40, 299,321.10 and 160,181.40 is: 240,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,547.40 : 299,321.10 = 160,181.40 : x
  2. Step 2: Convert to fraction form
    199,547.40/299,321.10 = 160,181.40/x
  3. Step 3: Cross multiply
    199,547.40x = 299,321.10 × 160,181.40
  4. Step 4: Simplify right side
    199,547.40x = 47,945,672,847.54
  5. Step 5: Solve for x
    x = 47,945,672,847.54/199,547.40
  6. Step 6: Final answer
    x = 240,272.10

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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.