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Finding the Fourth Proportional to 97,190.91, 145,253.85 and 70,950.91

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Solution

The fourth proportional to 97,190.91, 145,253.85 and 70,950.91 is: 106,037.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,190.91 : 145,253.85 = 70,950.91 : x
  2. Step 2: Convert to fraction form
    97,190.91/145,253.85 = 70,950.91/x
  3. Step 3: Cross multiply
    97,190.91x = 145,253.85 × 70,950.91
  4. Step 4: Simplify right side
    97,190.91x = 10,305,892,838.50
  5. Step 5: Solve for x
    x = 10,305,892,838.50/97,190.91
  6. Step 6: Final answer
    x = 106,037.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.