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Finding the Fourth Proportional to 93,411.89, 140,113.86 and 43,474.77

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Solution

The fourth proportional to 93,411.89, 140,113.86 and 43,474.77 is: 65,210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,411.89 : 140,113.86 = 43,474.77 : x
  2. Step 2: Convert to fraction form
    93,411.89/140,113.86 = 43,474.77/x
  3. Step 3: Cross multiply
    93,411.89x = 140,113.86 × 43,474.77
  4. Step 4: Simplify right side
    93,411.89x = 6,091,417,837.31
  5. Step 5: Solve for x
    x = 6,091,417,837.31/93,411.89
  6. Step 6: Final answer
    x = 65,210.31

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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.