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Finding the Fourth Proportional to 190,852.66, 285,842.83 and 91,082.91

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Solution

The fourth proportional to 190,852.66, 285,842.83 and 91,082.91 is: 136,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,852.66 : 285,842.83 = 91,082.91 : x
  2. Step 2: Convert to fraction form
    190,852.66/285,842.83 = 91,082.91/x
  3. Step 3: Cross multiply
    190,852.66x = 285,842.83 × 91,082.91
  4. Step 4: Simplify right side
    190,852.66x = 26,035,398,030.19
  5. Step 5: Solve for x
    x = 26,035,398,030.19/190,852.66
  6. Step 6: Final answer
    x = 136,416.22

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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.