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Finding the Fourth Proportional to 93,862.30, 129,529.30 and 50,840.82

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Solution

The fourth proportional to 93,862.30, 129,529.30 and 50,840.82 is: 70,159.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,862.30 : 129,529.30 = 50,840.82 : x
  2. Step 2: Convert to fraction form
    93,862.30/129,529.30 = 50,840.82/x
  3. Step 3: Cross multiply
    93,862.30x = 129,529.30 × 50,840.82
  4. Step 4: Simplify right side
    93,862.30x = 6,585,375,826.03
  5. Step 5: Solve for x
    x = 6,585,375,826.03/93,862.30
  6. Step 6: Final answer
    x = 70,159.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.