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Finding the Fourth Proportional to 181,808.10, 272,712.15 and 134,568.90

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Solution

The fourth proportional to 181,808.10, 272,712.15 and 134,568.90 is: 201,853.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,808.10 : 272,712.15 = 134,568.90 : x
  2. Step 2: Convert to fraction form
    181,808.10/272,712.15 = 134,568.90/x
  3. Step 3: Cross multiply
    181,808.10x = 272,712.15 × 134,568.90
  4. Step 4: Simplify right side
    181,808.10x = 36,698,574,042.14
  5. Step 5: Solve for x
    x = 36,698,574,042.14/181,808.10
  6. Step 6: Final answer
    x = 201,853.35

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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.