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Finding the Fourth Proportional to 123,999.40, 185,984.70 and 35,266.60

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Solution

The fourth proportional to 123,999.40, 185,984.70 and 35,266.60 is: 52,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,999.40 : 185,984.70 = 35,266.60 : x
  2. Step 2: Convert to fraction form
    123,999.40/185,984.70 = 35,266.60/x
  3. Step 3: Cross multiply
    123,999.40x = 185,984.70 × 35,266.60
  4. Step 4: Simplify right side
    123,999.40x = 6,559,048,021.02
  5. Step 5: Solve for x
    x = 6,559,048,021.02/123,999.40
  6. Step 6: Final answer
    x = 52,895.80

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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.