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Finding the Fourth Proportional to 99,957.42, 149,814.90 and 73,416.06

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Solution

The fourth proportional to 99,957.42, 149,814.90 and 73,416.06 is: 110,035.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,957.42 : 149,814.90 = 73,416.06 : x
  2. Step 2: Convert to fraction form
    99,957.42/149,814.90 = 73,416.06/x
  3. Step 3: Cross multiply
    99,957.42x = 149,814.90 × 73,416.06
  4. Step 4: Simplify right side
    99,957.42x = 10,998,819,687.29
  5. Step 5: Solve for x
    x = 10,998,819,687.29/99,957.42
  6. Step 6: Final answer
    x = 110,035.05

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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.