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Finding the Fourth Proportional to 355,466.44, 533,141.82 and 118,808.74

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Solution

The fourth proportional to 355,466.44, 533,141.82 and 118,808.74 is: 178,193.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,466.44 : 533,141.82 = 118,808.74 : x
  2. Step 2: Convert to fraction form
    355,466.44/533,141.82 = 118,808.74/x
  3. Step 3: Cross multiply
    355,466.44x = 533,141.82 × 118,808.74
  4. Step 4: Simplify right side
    355,466.44x = 63,341,907,875.51
  5. Step 5: Solve for x
    x = 63,341,907,875.51/355,466.44
  6. Step 6: Final answer
    x = 178,193.78

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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.