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Finding the Fourth Proportional to 363,924.02, 545,886.03 and 142,152.50

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Solution

The fourth proportional to 363,924.02, 545,886.03 and 142,152.50 is: 213,228.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,924.02 : 545,886.03 = 142,152.50 : x
  2. Step 2: Convert to fraction form
    363,924.02/545,886.03 = 142,152.50/x
  3. Step 3: Cross multiply
    363,924.02x = 545,886.03 × 142,152.50
  4. Step 4: Simplify right side
    363,924.02x = 77,599,063,879.58
  5. Step 5: Solve for x
    x = 77,599,063,879.58/363,924.02
  6. Step 6: Final answer
    x = 213,228.75

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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.