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Finding the Fourth Proportional to 188,384.52, 260,200.62 and 140,848.68

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Solution

The fourth proportional to 188,384.52, 260,200.62 and 140,848.68 is: 194,543.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,384.52 : 260,200.62 = 140,848.68 : x
  2. Step 2: Convert to fraction form
    188,384.52/260,200.62 = 140,848.68/x
  3. Step 3: Cross multiply
    188,384.52x = 260,200.62 × 140,848.68
  4. Step 4: Simplify right side
    188,384.52x = 36,648,913,862.18
  5. Step 5: Solve for x
    x = 36,648,913,862.18/188,384.52
  6. Step 6: Final answer
    x = 194,543.13

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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.