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Finding the Fourth Proportional to 229,071.66, 343,656.88 and 69,134.22

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Solution

The fourth proportional to 229,071.66, 343,656.88 and 69,134.22 is: 103,716.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,071.66 : 343,656.88 = 69,134.22 : x
  2. Step 2: Convert to fraction form
    229,071.66/343,656.88 = 69,134.22/x
  3. Step 3: Cross multiply
    229,071.66x = 343,656.88 × 69,134.22
  4. Step 4: Simplify right side
    229,071.66x = 23,758,450,346.43
  5. Step 5: Solve for x
    x = 23,758,450,346.43/229,071.66
  6. Step 6: Final answer
    x = 103,716.24

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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.