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Finding the Fourth Proportional to 162,573.76, 224,428.48 and 122,302.86

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Solution

The fourth proportional to 162,573.76, 224,428.48 and 122,302.86 is: 168,835.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,573.76 : 224,428.48 = 122,302.86 : x
  2. Step 2: Convert to fraction form
    162,573.76/224,428.48 = 122,302.86/x
  3. Step 3: Cross multiply
    162,573.76x = 224,428.48 × 122,302.86
  4. Step 4: Simplify right side
    162,573.76x = 27,448,244,969.45
  5. Step 5: Solve for x
    x = 27,448,244,969.45/162,573.76
  6. Step 6: Final answer
    x = 168,835.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.