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Finding the Fourth Proportional to 93,371.58, 139,820.82 and 57,902.16

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Solution

The fourth proportional to 93,371.58, 139,820.82 and 57,902.16 is: 86,706.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,371.58 : 139,820.82 = 57,902.16 : x
  2. Step 2: Convert to fraction form
    93,371.58/139,820.82 = 57,902.16/x
  3. Step 3: Cross multiply
    93,371.58x = 139,820.82 × 57,902.16
  4. Step 4: Simplify right side
    93,371.58x = 8,095,927,490.97
  5. Step 5: Solve for x
    x = 8,095,927,490.97/93,371.58
  6. Step 6: Final answer
    x = 86,706.55

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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.