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Finding the Fourth Proportional to 292,208.62, 438,356.75 and 102,635.57

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Solution

The fourth proportional to 292,208.62, 438,356.75 and 102,635.57 is: 153,968.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,208.62 : 438,356.75 = 102,635.57 : x
  2. Step 2: Convert to fraction form
    292,208.62/438,356.75 = 102,635.57/x
  3. Step 3: Cross multiply
    292,208.62x = 438,356.75 × 102,635.57
  4. Step 4: Simplify right side
    292,208.62x = 44,990,992,194.64
  5. Step 5: Solve for x
    x = 44,990,992,194.64/292,208.62
  6. Step 6: Final answer
    x = 153,968.74

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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.