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Finding the Fourth Proportional to 93,136.91, 128,525.37 and 52,848.27

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Solution

The fourth proportional to 93,136.91, 128,525.37 and 52,848.27 is: 72,928.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,136.91 : 128,525.37 = 52,848.27 : x
  2. Step 2: Convert to fraction form
    93,136.91/128,525.37 = 52,848.27/x
  3. Step 3: Cross multiply
    93,136.91x = 128,525.37 × 52,848.27
  4. Step 4: Simplify right side
    93,136.91x = 6,792,342,548.74
  5. Step 5: Solve for x
    x = 6,792,342,548.74/93,136.91
  6. Step 6: Final answer
    x = 72,928.58

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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.