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Finding the Fourth Proportional to 181,211.40, 271,817.10 and 169,547.40

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Solution

The fourth proportional to 181,211.40, 271,817.10 and 169,547.40 is: 254,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,211.40 : 271,817.10 = 169,547.40 : x
  2. Step 2: Convert to fraction form
    181,211.40/271,817.10 = 169,547.40/x
  3. Step 3: Cross multiply
    181,211.40x = 271,817.10 × 169,547.40
  4. Step 4: Simplify right side
    181,211.40x = 46,085,882,580.54
  5. Step 5: Solve for x
    x = 46,085,882,580.54/181,211.40
  6. Step 6: Final answer
    x = 254,321.10

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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.