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Finding the Fourth Proportional to 93,200.74, 128,620.24 and 52,913.16

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Solution

The fourth proportional to 93,200.74, 128,620.24 and 52,913.16 is: 73,021.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,200.74 : 128,620.24 = 52,913.16 : x
  2. Step 2: Convert to fraction form
    93,200.74/128,620.24 = 52,913.16/x
  3. Step 3: Cross multiply
    93,200.74x = 128,620.24 × 52,913.16
  4. Step 4: Simplify right side
    93,200.74x = 6,805,703,206.08
  5. Step 5: Solve for x
    x = 6,805,703,206.08/93,200.74
  6. Step 6: Final answer
    x = 73,021.99

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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.