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Finding the Fourth Proportional to 186,518.52, 279,860.40 and 97,750.89

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Solution

The fourth proportional to 186,518.52, 279,860.40 and 97,750.89 is: 146,669.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,518.52 : 279,860.40 = 97,750.89 : x
  2. Step 2: Convert to fraction form
    186,518.52/279,860.40 = 97,750.89/x
  3. Step 3: Cross multiply
    186,518.52x = 279,860.40 × 97,750.89
  4. Step 4: Simplify right side
    186,518.52x = 27,356,603,175.76
  5. Step 5: Solve for x
    x = 27,356,603,175.76/186,518.52
  6. Step 6: Final answer
    x = 146,669.63

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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.