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Finding the Fourth Proportional to 173,852.30, 260,701.65 and 80,386.70

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Solution

The fourth proportional to 173,852.30, 260,701.65 and 80,386.70 is: 120,544.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,852.30 : 260,701.65 = 80,386.70 : x
  2. Step 2: Convert to fraction form
    173,852.30/260,701.65 = 80,386.70/x
  3. Step 3: Cross multiply
    173,852.30x = 260,701.65 × 80,386.70
  4. Step 4: Simplify right side
    173,852.30x = 20,956,945,328.06
  5. Step 5: Solve for x
    x = 20,956,945,328.06/173,852.30
  6. Step 6: Final answer
    x = 120,544.54

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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.