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Finding the Fourth Proportional to 175,369.86, 242,015.85 and 99,913.50

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Solution

The fourth proportional to 175,369.86, 242,015.85 and 99,913.50 is: 137,883.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,369.86 : 242,015.85 = 99,913.50 : x
  2. Step 2: Convert to fraction form
    175,369.86/242,015.85 = 99,913.50/x
  3. Step 3: Cross multiply
    175,369.86x = 242,015.85 × 99,913.50
  4. Step 4: Simplify right side
    175,369.86x = 24,180,650,628.98
  5. Step 5: Solve for x
    x = 24,180,650,628.98/175,369.86
  6. Step 6: Final answer
    x = 137,883.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.