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Finding the Fourth Proportional to 93,364.10, 128,844 and 50,922.64

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Solution

The fourth proportional to 93,364.10, 128,844 and 50,922.64 is: 70,274.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,364.10 : 128,844 = 50,922.64 : x
  2. Step 2: Convert to fraction form
    93,364.10/128,844 = 50,922.64/x
  3. Step 3: Cross multiply
    93,364.10x = 128,844 × 50,922.64
  4. Step 4: Simplify right side
    93,364.10x = 6,561,076,064.47
  5. Step 5: Solve for x
    x = 6,561,076,064.47/93,364.10
  6. Step 6: Final answer
    x = 70,274.07

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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.