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Finding the Fourth Proportional to 97,586.25, 134,669.12 and 52,874.25

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Solution

The fourth proportional to 97,586.25, 134,669.12 and 52,874.25 is: 72,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,586.25 : 134,669.12 = 52,874.25 : x
  2. Step 2: Convert to fraction form
    97,586.25/134,669.12 = 52,874.25/x
  3. Step 3: Cross multiply
    97,586.25x = 134,669.12 × 52,874.25
  4. Step 4: Simplify right side
    97,586.25x = 7,120,528,453.79
  5. Step 5: Solve for x
    x = 7,120,528,453.79/97,586.25
  6. Step 6: Final answer
    x = 72,966.51

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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.