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Finding the Fourth Proportional to 93,638.25, 129,220.83 and 51,197.13

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Solution

The fourth proportional to 93,638.25, 129,220.83 and 51,197.13 is: 70,652.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,638.25 : 129,220.83 = 51,197.13 : x
  2. Step 2: Convert to fraction form
    93,638.25/129,220.83 = 51,197.13/x
  3. Step 3: Cross multiply
    93,638.25x = 129,220.83 × 51,197.13
  4. Step 4: Simplify right side
    93,638.25x = 6,615,735,632.22
  5. Step 5: Solve for x
    x = 6,615,735,632.22/93,638.25
  6. Step 6: Final answer
    x = 70,652.06

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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.