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Finding the Fourth Proportional to 102,934.60, 154,401.90 and 101,950.45

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Solution

The fourth proportional to 102,934.60, 154,401.90 and 101,950.45 is: 152,925.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,934.60 : 154,401.90 = 101,950.45 : x
  2. Step 2: Convert to fraction form
    102,934.60/154,401.90 = 101,950.45/x
  3. Step 3: Cross multiply
    102,934.60x = 154,401.90 × 101,950.45
  4. Step 4: Simplify right side
    102,934.60x = 15,741,343,185.86
  5. Step 5: Solve for x
    x = 15,741,343,185.86/102,934.60
  6. Step 6: Final answer
    x = 152,925.68

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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.