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Finding the Fourth Proportional to 93,011.72, 128,324.94 and 52,722.32

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Solution

The fourth proportional to 93,011.72, 128,324.94 and 52,722.32 is: 72,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,011.72 : 128,324.94 = 52,722.32 : x
  2. Step 2: Convert to fraction form
    93,011.72/128,324.94 = 52,722.32/x
  3. Step 3: Cross multiply
    93,011.72x = 128,324.94 × 52,722.32
  4. Step 4: Simplify right side
    93,011.72x = 6,765,588,550.66
  5. Step 5: Solve for x
    x = 6,765,588,550.66/93,011.72
  6. Step 6: Final answer
    x = 72,739.10

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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.