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Finding the Fourth Proportional to 181,109.10, 271,700.10 and 151,730.40

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Solution

The fourth proportional to 181,109.10, 271,700.10 and 151,730.40 is: 227,626.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,109.10 : 271,700.10 = 151,730.40 : x
  2. Step 2: Convert to fraction form
    181,109.10/271,700.10 = 151,730.40/x
  3. Step 3: Cross multiply
    181,109.10x = 271,700.10 × 151,730.40
  4. Step 4: Simplify right side
    181,109.10x = 41,225,164,853.04
  5. Step 5: Solve for x
    x = 41,225,164,853.04/181,109.10
  6. Step 6: Final answer
    x = 227,626.14

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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.