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Finding the Fourth Proportional to 122,324.40, 183,486.60 and 84,999.60

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Solution

The fourth proportional to 122,324.40, 183,486.60 and 84,999.60 is: 127,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,324.40 : 183,486.60 = 84,999.60 : x
  2. Step 2: Convert to fraction form
    122,324.40/183,486.60 = 84,999.60/x
  3. Step 3: Cross multiply
    122,324.40x = 183,486.60 × 84,999.60
  4. Step 4: Simplify right side
    122,324.40x = 15,596,287,605.36
  5. Step 5: Solve for x
    x = 15,596,287,605.36/122,324.40
  6. Step 6: Final answer
    x = 127,499.40

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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.