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Finding the Fourth Proportional to 292,208.37, 438,356.37 and 102,635.31

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Solution

The fourth proportional to 292,208.37, 438,356.37 and 102,635.31 is: 153,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,208.37 : 438,356.37 = 102,635.31 : x
  2. Step 2: Convert to fraction form
    292,208.37/438,356.37 = 102,635.31/x
  3. Step 3: Cross multiply
    292,208.37x = 438,356.37 × 102,635.31
  4. Step 4: Simplify right side
    292,208.37x = 44,990,841,925.42
  5. Step 5: Solve for x
    x = 44,990,841,925.42/292,208.37
  6. Step 6: Final answer
    x = 153,968.35

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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.