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Finding the Fourth Proportional to 93,137.91, 128,526.74 and 52,849.27

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Solution

The fourth proportional to 93,137.91, 128,526.74 and 52,849.27 is: 72,929.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,137.91 : 128,526.74 = 52,849.27 : x
  2. Step 2: Convert to fraction form
    93,137.91/128,526.74 = 52,849.27/x
  3. Step 3: Cross multiply
    93,137.91x = 128,526.74 × 52,849.27
  4. Step 4: Simplify right side
    93,137.91x = 6,792,544,384.48
  5. Step 5: Solve for x
    x = 6,792,544,384.48/93,137.91
  6. Step 6: Final answer
    x = 72,929.96

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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.