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Finding the Fourth Proportional to 123,055.60, 184,583.40 and 120,722.80

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Solution

The fourth proportional to 123,055.60, 184,583.40 and 120,722.80 is: 181,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,055.60 : 184,583.40 = 120,722.80 : x
  2. Step 2: Convert to fraction form
    123,055.60/184,583.40 = 120,722.80/x
  3. Step 3: Cross multiply
    123,055.60x = 184,583.40 × 120,722.80
  4. Step 4: Simplify right side
    123,055.60x = 22,283,424,881.52
  5. Step 5: Solve for x
    x = 22,283,424,881.52/123,055.60
  6. Step 6: Final answer
    x = 181,084.20

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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.