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Finding the Fourth Proportional to 93,652.74, 129,223.98 and 55,393.25

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Solution

The fourth proportional to 93,652.74, 129,223.98 and 55,393.25 is: 76,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,652.74 : 129,223.98 = 55,393.25 : x
  2. Step 2: Convert to fraction form
    93,652.74/129,223.98 = 55,393.25/x
  3. Step 3: Cross multiply
    93,652.74x = 129,223.98 × 55,393.25
  4. Step 4: Simplify right side
    93,652.74x = 7,158,135,584.02
  5. Step 5: Solve for x
    x = 7,158,135,584.02/93,652.74
  6. Step 6: Final answer
    x = 76,432.74

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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.