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Finding the Fourth Proportional to 93,668.40, 129,262.10 and 50,647.59

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Solution

The fourth proportional to 93,668.40, 129,262.10 and 50,647.59 is: 69,893.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,668.40 : 129,262.10 = 50,647.59 : x
  2. Step 2: Convert to fraction form
    93,668.40/129,262.10 = 50,647.59/x
  3. Step 3: Cross multiply
    93,668.40x = 129,262.10 × 50,647.59
  4. Step 4: Simplify right side
    93,668.40x = 6,546,813,653.89
  5. Step 5: Solve for x
    x = 6,546,813,653.89/93,668.40
  6. Step 6: Final answer
    x = 69,893.52

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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.