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Finding the Fourth Proportional to 88,785, 122,523.30 and 51,059.25

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Solution

The fourth proportional to 88,785, 122,523.30 and 51,059.25 is: 70,461.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,785 : 122,523.30 = 51,059.25 : x
  2. Step 2: Convert to fraction form
    88,785/122,523.30 = 51,059.25/x
  3. Step 3: Cross multiply
    88,785x = 122,523.30 × 51,059.25
  4. Step 4: Simplify right side
    88,785x = 6,255,947,805.53
  5. Step 5: Solve for x
    x = 6,255,947,805.53/88,785
  6. Step 6: Final answer
    x = 70,461.77

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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.