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Finding the Fourth Proportional to 93,240.39, 128,668.30 and 50,798.01

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Solution

The fourth proportional to 93,240.39, 128,668.30 and 50,798.01 is: 70,099.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,240.39 : 128,668.30 = 50,798.01 : x
  2. Step 2: Convert to fraction form
    93,240.39/128,668.30 = 50,798.01/x
  3. Step 3: Cross multiply
    93,240.39x = 128,668.30 × 50,798.01
  4. Step 4: Simplify right side
    93,240.39x = 6,536,093,590.08
  5. Step 5: Solve for x
    x = 6,536,093,590.08/93,240.39
  6. Step 6: Final answer
    x = 70,099.38

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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.