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Finding the Fourth Proportional to 149,798.60, 224,730.30 and 49,941.80

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Solution

The fourth proportional to 149,798.60, 224,730.30 and 49,941.80 is: 74,923.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,798.60 : 224,730.30 = 49,941.80 : x
  2. Step 2: Convert to fraction form
    149,798.60/224,730.30 = 49,941.80/x
  3. Step 3: Cross multiply
    149,798.60x = 224,730.30 × 49,941.80
  4. Step 4: Simplify right side
    149,798.60x = 11,223,435,696.54
  5. Step 5: Solve for x
    x = 11,223,435,696.54/149,798.60
  6. Step 6: Final answer
    x = 74,923.50

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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.