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Finding the Fourth Proportional to 93,022.72, 128,340.12 and 52,733.32

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Solution

The fourth proportional to 93,022.72, 128,340.12 and 52,733.32 is: 72,754.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,022.72 : 128,340.12 = 52,733.32 : x
  2. Step 2: Convert to fraction form
    93,022.72/128,340.12 = 52,733.32/x
  3. Step 3: Cross multiply
    93,022.72x = 128,340.12 × 52,733.32
  4. Step 4: Simplify right side
    93,022.72x = 6,767,800,616.80
  5. Step 5: Solve for x
    x = 6,767,800,616.80/93,022.72
  6. Step 6: Final answer
    x = 72,754.28

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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.