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Finding the Fourth Proportional to 118,307.40, 177,486.60 and 34,066.98

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Solution

The fourth proportional to 118,307.40, 177,486.60 and 34,066.98 is: 51,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,307.40 : 177,486.60 = 34,066.98 : x
  2. Step 2: Convert to fraction form
    118,307.40/177,486.60 = 34,066.98/x
  3. Step 3: Cross multiply
    118,307.40x = 177,486.60 × 34,066.98
  4. Step 4: Simplify right side
    118,307.40x = 6,046,432,452.47
  5. Step 5: Solve for x
    x = 6,046,432,452.47/118,307.40
  6. Step 6: Final answer
    x = 51,107.81

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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.