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Finding the Fourth Proportional to 93,136.66, 128,524.77 and 52,849.57

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Solution

The fourth proportional to 93,136.66, 128,524.77 and 52,849.57 is: 72,930.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,136.66 : 128,524.77 = 52,849.57 : x
  2. Step 2: Convert to fraction form
    93,136.66/128,524.77 = 52,849.57/x
  3. Step 3: Cross multiply
    93,136.66x = 128,524.77 × 52,849.57
  4. Step 4: Simplify right side
    93,136.66x = 6,792,478,828.85
  5. Step 5: Solve for x
    x = 6,792,478,828.85/93,136.66
  6. Step 6: Final answer
    x = 72,930.24

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1.5x scale

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.