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Finding the Fourth Proportional to 173,886.84, 260,653.80 and 98,851.96

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Solution

The fourth proportional to 173,886.84, 260,653.80 and 98,851.96 is: 148,177.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,886.84 : 260,653.80 = 98,851.96 : x
  2. Step 2: Convert to fraction form
    173,886.84/260,653.80 = 98,851.96/x
  3. Step 3: Cross multiply
    173,886.84x = 260,653.80 × 98,851.96
  4. Step 4: Simplify right side
    173,886.84x = 25,766,139,011.45
  5. Step 5: Solve for x
    x = 25,766,139,011.45/173,886.84
  6. Step 6: Final answer
    x = 148,177.63

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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.