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Finding the Fourth Proportional to 93,177.98, 139,674.63 and 36,985.04

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Solution

The fourth proportional to 93,177.98, 139,674.63 and 36,985.04 is: 55,440.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,177.98 : 139,674.63 = 36,985.04 : x
  2. Step 2: Convert to fraction form
    93,177.98/139,674.63 = 36,985.04/x
  3. Step 3: Cross multiply
    93,177.98x = 139,674.63 × 36,985.04
  4. Step 4: Simplify right side
    93,177.98x = 5,165,871,777.54
  5. Step 5: Solve for x
    x = 5,165,871,777.54/93,177.98
  6. Step 6: Final answer
    x = 55,440.91

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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.