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Finding the Fourth Proportional to 192,064.72, 265,066.95 and 106,039.08

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Solution

The fourth proportional to 192,064.72, 265,066.95 and 106,039.08 is: 146,343.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,064.72 : 265,066.95 = 106,039.08 : x
  2. Step 2: Convert to fraction form
    192,064.72/265,066.95 = 106,039.08/x
  3. Step 3: Cross multiply
    192,064.72x = 265,066.95 × 106,039.08
  4. Step 4: Simplify right side
    192,064.72x = 28,107,455,516.41
  5. Step 5: Solve for x
    x = 28,107,455,516.41/192,064.72
  6. Step 6: Final answer
    x = 146,343.67

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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.