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Finding the Fourth Proportional to 175,042.60, 262,466.70 and 69,742.60

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Solution

The fourth proportional to 175,042.60, 262,466.70 and 69,742.60 is: 104,575.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,042.60 : 262,466.70 = 69,742.60 : x
  2. Step 2: Convert to fraction form
    175,042.60/262,466.70 = 69,742.60/x
  3. Step 3: Cross multiply
    175,042.60x = 262,466.70 × 69,742.60
  4. Step 4: Simplify right side
    175,042.60x = 18,305,110,071.42
  5. Step 5: Solve for x
    x = 18,305,110,071.42/175,042.60
  6. Step 6: Final answer
    x = 104,575.17

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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.