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Finding the Fourth Proportional to 93,137.99, 139,711.64 and 26,587.98

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Solution

The fourth proportional to 93,137.99, 139,711.64 and 26,587.98 is: 39,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,137.99 : 139,711.64 = 26,587.98 : x
  2. Step 2: Convert to fraction form
    93,137.99/139,711.64 = 26,587.98/x
  3. Step 3: Cross multiply
    93,137.99x = 139,711.64 × 26,587.98
  4. Step 4: Simplify right side
    93,137.99x = 3,714,650,157.15
  5. Step 5: Solve for x
    x = 3,714,650,157.15/93,137.99
  6. Step 6: Final answer
    x = 39,883.30

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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.