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Finding the Fourth Proportional to 93,253.68, 139,895.10 and 58,436.64

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Solution

The fourth proportional to 93,253.68, 139,895.10 and 58,436.64 is: 87,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,253.68 : 139,895.10 = 58,436.64 : x
  2. Step 2: Convert to fraction form
    93,253.68/139,895.10 = 58,436.64/x
  3. Step 3: Cross multiply
    93,253.68x = 139,895.10 × 58,436.64
  4. Step 4: Simplify right side
    93,253.68x = 8,174,999,596.46
  5. Step 5: Solve for x
    x = 8,174,999,596.46/93,253.68
  6. Step 6: Final answer
    x = 87,664.10

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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.