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Finding the Fourth Proportional to 217,066.64, 325,337.52 and 111,828.20

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Solution

The fourth proportional to 217,066.64, 325,337.52 and 111,828.20 is: 167,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,066.64 : 325,337.52 = 111,828.20 : x
  2. Step 2: Convert to fraction form
    217,066.64/325,337.52 = 111,828.20/x
  3. Step 3: Cross multiply
    217,066.64x = 325,337.52 × 111,828.20
  4. Step 4: Simplify right side
    217,066.64x = 36,381,909,254.06
  5. Step 5: Solve for x
    x = 36,381,909,254.06/217,066.64
  6. Step 6: Final answer
    x = 167,607.10

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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.