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Finding the Fourth Proportional to 224,749.60, 336,897.60 and 112,256.80

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Solution

The fourth proportional to 224,749.60, 336,897.60 and 112,256.80 is: 168,271.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,749.60 : 336,897.60 = 112,256.80 : x
  2. Step 2: Convert to fraction form
    224,749.60/336,897.60 = 112,256.80/x
  3. Step 3: Cross multiply
    224,749.60x = 336,897.60 × 112,256.80
  4. Step 4: Simplify right side
    224,749.60x = 37,819,046,503.68
  5. Step 5: Solve for x
    x = 37,819,046,503.68/224,749.60
  6. Step 6: Final answer
    x = 168,271.92

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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.