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Finding the Fourth Proportional to 93,185.48, 128,506.92 and 62,627.60

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Solution

The fourth proportional to 93,185.48, 128,506.92 and 62,627.60 is: 86,366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,185.48 : 128,506.92 = 62,627.60 : x
  2. Step 2: Convert to fraction form
    93,185.48/128,506.92 = 62,627.60/x
  3. Step 3: Cross multiply
    93,185.48x = 128,506.92 × 62,627.60
  4. Step 4: Simplify right side
    93,185.48x = 8,048,079,982.99
  5. Step 5: Solve for x
    x = 8,048,079,982.99/93,185.48
  6. Step 6: Final answer
    x = 86,366.24

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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.