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Finding the Fourth Proportional to 93,397.56, 140,079.06 and 31,051.32

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Solution

The fourth proportional to 93,397.56, 140,079.06 and 31,051.32 is: 46,571.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,397.56 : 140,079.06 = 31,051.32 : x
  2. Step 2: Convert to fraction form
    93,397.56/140,079.06 = 31,051.32/x
  3. Step 3: Cross multiply
    93,397.56x = 140,079.06 × 31,051.32
  4. Step 4: Simplify right side
    93,397.56x = 4,349,639,717.36
  5. Step 5: Solve for x
    x = 4,349,639,717.36/93,397.56
  6. Step 6: Final answer
    x = 46,571.24

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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.