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Finding the Fourth Proportional to 173,821.40, 260,732.10 and 55,501.40

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Solution

The fourth proportional to 173,821.40, 260,732.10 and 55,501.40 is: 83,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,821.40 : 260,732.10 = 55,501.40 : x
  2. Step 2: Convert to fraction form
    173,821.40/260,732.10 = 55,501.40/x
  3. Step 3: Cross multiply
    173,821.40x = 260,732.10 × 55,501.40
  4. Step 4: Simplify right side
    173,821.40x = 14,470,996,574.94
  5. Step 5: Solve for x
    x = 14,470,996,574.94/173,821.40
  6. Step 6: Final answer
    x = 83,252.10

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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.