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Finding the Fourth Proportional to 103,060.65, 144,401.55 and 103,060.65

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Solution

The fourth proportional to 103,060.65, 144,401.55 and 103,060.65 is: 144,401.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,060.65 : 144,401.55 = 103,060.65 : x
  2. Step 2: Convert to fraction form
    103,060.65/144,401.55 = 103,060.65/x
  3. Step 3: Cross multiply
    103,060.65x = 144,401.55 × 103,060.65
  4. Step 4: Simplify right side
    103,060.65x = 14,882,117,604.01
  5. Step 5: Solve for x
    x = 14,882,117,604.01/103,060.65
  6. Step 6: Final answer
    x = 144,401.55

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.