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Finding the Fourth Proportional to 91,054.63, 125,655.91 and 52,836.91

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Solution

The fourth proportional to 91,054.63, 125,655.91 and 52,836.91 is: 72,915.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,054.63 : 125,655.91 = 52,836.91 : x
  2. Step 2: Convert to fraction form
    91,054.63/125,655.91 = 52,836.91/x
  3. Step 3: Cross multiply
    91,054.63x = 125,655.91 × 52,836.91
  4. Step 4: Simplify right side
    91,054.63x = 6,639,269,561.41
  5. Step 5: Solve for x
    x = 6,639,269,561.41/91,054.63
  6. Step 6: Final answer
    x = 72,915.23

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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.