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Finding the Fourth Proportional to 93,232.60, 139,848.90 and 57,803.20

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Solution

The fourth proportional to 93,232.60, 139,848.90 and 57,803.20 is: 86,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,232.60 : 139,848.90 = 57,803.20 : x
  2. Step 2: Convert to fraction form
    93,232.60/139,848.90 = 57,803.20/x
  3. Step 3: Cross multiply
    93,232.60x = 139,848.90 × 57,803.20
  4. Step 4: Simplify right side
    93,232.60x = 8,083,713,936.48
  5. Step 5: Solve for x
    x = 8,083,713,936.48/93,232.60
  6. Step 6: Final answer
    x = 86,704.80

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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.