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Finding the Fourth Proportional to 122,534.90, 183,729.45 and 63,485.90

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Solution

The fourth proportional to 122,534.90, 183,729.45 and 63,485.90 is: 95,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,534.90 : 183,729.45 = 63,485.90 : x
  2. Step 2: Convert to fraction form
    122,534.90/183,729.45 = 63,485.90/x
  3. Step 3: Cross multiply
    122,534.90x = 183,729.45 × 63,485.90
  4. Step 4: Simplify right side
    122,534.90x = 11,664,229,489.76
  5. Step 5: Solve for x
    x = 11,664,229,489.76/122,534.90
  6. Step 6: Final answer
    x = 95,191.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.