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Finding the Fourth Proportional to 173,595.82, 260,492.08 and 68,488.60

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Solution

The fourth proportional to 173,595.82, 260,492.08 and 68,488.60 is: 102,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,595.82 : 260,492.08 = 68,488.60 : x
  2. Step 2: Convert to fraction form
    173,595.82/260,492.08 = 68,488.60/x
  3. Step 3: Cross multiply
    173,595.82x = 260,492.08 × 68,488.60
  4. Step 4: Simplify right side
    173,595.82x = 17,840,737,870.29
  5. Step 5: Solve for x
    x = 17,840,737,870.29/173,595.82
  6. Step 6: Final answer
    x = 102,771.70

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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.