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Finding the Fourth Proportional to 200,698.74, 301,050.27 and 60,458.58

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Solution

The fourth proportional to 200,698.74, 301,050.27 and 60,458.58 is: 90,688.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,698.74 : 301,050.27 = 60,458.58 : x
  2. Step 2: Convert to fraction form
    200,698.74/301,050.27 = 60,458.58/x
  3. Step 3: Cross multiply
    200,698.74x = 301,050.27 × 60,458.58
  4. Step 4: Simplify right side
    200,698.74x = 18,201,071,832.82
  5. Step 5: Solve for x
    x = 18,201,071,832.82/200,698.74
  6. Step 6: Final answer
    x = 90,688.52

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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.