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Finding the Fourth Proportional to 133,099.96, 183,674.64 and 76,510.12

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Solution

The fourth proportional to 133,099.96, 183,674.64 and 76,510.12 is: 105,582.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,099.96 : 183,674.64 = 76,510.12 : x
  2. Step 2: Convert to fraction form
    133,099.96/183,674.64 = 76,510.12/x
  3. Step 3: Cross multiply
    133,099.96x = 183,674.64 × 76,510.12
  4. Step 4: Simplify right side
    133,099.96x = 14,052,968,747.36
  5. Step 5: Solve for x
    x = 14,052,968,747.36/133,099.96
  6. Step 6: Final answer
    x = 105,582.07

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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.