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Finding the Fourth Proportional to 269,602.08, 372,054.40 and 148,748.32

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Solution

The fourth proportional to 269,602.08, 372,054.40 and 148,748.32 is: 205,274.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,602.08 : 372,054.40 = 148,748.32 : x
  2. Step 2: Convert to fraction form
    269,602.08/372,054.40 = 148,748.32/x
  3. Step 3: Cross multiply
    269,602.08x = 372,054.40 × 148,748.32
  4. Step 4: Simplify right side
    269,602.08x = 55,342,466,948.61
  5. Step 5: Solve for x
    x = 55,342,466,948.61/269,602.08
  6. Step 6: Final answer
    x = 205,274.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.