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Finding the Fourth Proportional to 93,063.84, 139,611.44 and 43,123.68

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Solution

The fourth proportional to 93,063.84, 139,611.44 and 43,123.68 is: 64,692.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,063.84 : 139,611.44 = 43,123.68 : x
  2. Step 2: Convert to fraction form
    93,063.84/139,611.44 = 43,123.68/x
  3. Step 3: Cross multiply
    93,063.84x = 139,611.44 × 43,123.68
  4. Step 4: Simplify right side
    93,063.84x = 6,020,559,062.90
  5. Step 5: Solve for x
    x = 6,020,559,062.90/93,063.84
  6. Step 6: Final answer
    x = 64,692.79

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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.