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Finding the Fourth Proportional to 133,095.96, 183,669.12 and 76,506.12

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Solution

The fourth proportional to 133,095.96, 183,669.12 and 76,506.12 is: 105,576.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,095.96 : 183,669.12 = 76,506.12 : x
  2. Step 2: Convert to fraction form
    133,095.96/183,669.12 = 76,506.12/x
  3. Step 3: Cross multiply
    133,095.96x = 183,669.12 × 76,506.12
  4. Step 4: Simplify right side
    133,095.96x = 14,051,811,735.01
  5. Step 5: Solve for x
    x = 14,051,811,735.01/133,095.96
  6. Step 6: Final answer
    x = 105,576.55

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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.