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Finding the Fourth Proportional to 93,911.01, 140,866.52 and 56,897.25

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Solution

The fourth proportional to 93,911.01, 140,866.52 and 56,897.25 is: 85,345.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,911.01 : 140,866.52 = 56,897.25 : x
  2. Step 2: Convert to fraction form
    93,911.01/140,866.52 = 56,897.25/x
  3. Step 3: Cross multiply
    93,911.01x = 140,866.52 × 56,897.25
  4. Step 4: Simplify right side
    93,911.01x = 8,014,917,320.58
  5. Step 5: Solve for x
    x = 8,014,917,320.58/93,911.01
  6. Step 6: Final answer
    x = 85,345.88

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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.