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Finding the Fourth Proportional to 356,941.52, 535,322.68 and 146,637.52

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Solution

The fourth proportional to 356,941.52, 535,322.68 and 146,637.52 is: 219,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,941.52 : 535,322.68 = 146,637.52 : x
  2. Step 2: Convert to fraction form
    356,941.52/535,322.68 = 146,637.52/x
  3. Step 3: Cross multiply
    356,941.52x = 535,322.68 × 146,637.52
  4. Step 4: Simplify right side
    356,941.52x = 78,498,390,194.95
  5. Step 5: Solve for x
    x = 78,498,390,194.95/356,941.52
  6. Step 6: Final answer
    x = 219,919.47

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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.