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Finding the Fourth Proportional to 93,254.31, 139,922.82 and 48,870.53

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Solution

The fourth proportional to 93,254.31, 139,922.82 and 48,870.53 is: 73,327.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,254.31 : 139,922.82 = 48,870.53 : x
  2. Step 2: Convert to fraction form
    93,254.31/139,922.82 = 48,870.53/x
  3. Step 3: Cross multiply
    93,254.31x = 139,922.82 × 48,870.53
  4. Step 4: Simplify right side
    93,254.31x = 6,838,101,672.88
  5. Step 5: Solve for x
    x = 6,838,101,672.88/93,254.31
  6. Step 6: Final answer
    x = 73,327.46

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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.