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Finding the Fourth Proportional to 92,361.92, 127,465.98 and 52,079.40

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Solution

The fourth proportional to 92,361.92, 127,465.98 and 52,079.40 is: 71,873.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,361.92 : 127,465.98 = 52,079.40 : x
  2. Step 2: Convert to fraction form
    92,361.92/127,465.98 = 52,079.40/x
  3. Step 3: Cross multiply
    92,361.92x = 127,465.98 × 52,079.40
  4. Step 4: Simplify right side
    92,361.92x = 6,638,351,758.81
  5. Step 5: Solve for x
    x = 6,638,351,758.81/92,361.92
  6. Step 6: Final answer
    x = 71,873.25

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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.