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Finding the Fourth Proportional to 190,754, 286,182.03 and 66,095

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Solution

The fourth proportional to 190,754, 286,182.03 and 66,095 is: 99,160.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,754 : 286,182.03 = 66,095 : x
  2. Step 2: Convert to fraction form
    190,754/286,182.03 = 66,095/x
  3. Step 3: Cross multiply
    190,754x = 286,182.03 × 66,095
  4. Step 4: Simplify right side
    190,754x = 18,915,201,272.85
  5. Step 5: Solve for x
    x = 18,915,201,272.85/190,754
  6. Step 6: Final answer
    x = 99,160.18

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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.