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Finding the Fourth Proportional to 122,397.50, 183,652.74 and 55,858.02

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Solution

The fourth proportional to 122,397.50, 183,652.74 and 55,858.02 is: 83,812.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,397.50 : 183,652.74 = 55,858.02 : x
  2. Step 2: Convert to fraction form
    122,397.50/183,652.74 = 55,858.02/x
  3. Step 3: Cross multiply
    122,397.50x = 183,652.74 × 55,858.02
  4. Step 4: Simplify right side
    122,397.50x = 10,258,478,423.97
  5. Step 5: Solve for x
    x = 10,258,478,423.97/122,397.50
  6. Step 6: Final answer
    x = 83,812.81

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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.