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Finding the Fourth Proportional to 133,175.72, 199,866.86 and 99,526.30

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Solution

The fourth proportional to 133,175.72, 199,866.86 and 99,526.30 is: 149,366.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,175.72 : 199,866.86 = 99,526.30 : x
  2. Step 2: Convert to fraction form
    133,175.72/199,866.86 = 99,526.30/x
  3. Step 3: Cross multiply
    133,175.72x = 199,866.86 × 99,526.30
  4. Step 4: Simplify right side
    133,175.72x = 19,892,009,068.42
  5. Step 5: Solve for x
    x = 19,892,009,068.42/133,175.72
  6. Step 6: Final answer
    x = 149,366.63

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1.5x scale

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.