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Finding the Fourth Proportional to 190,572.99, 286,030.82 and 101,902.29

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Solution

The fourth proportional to 190,572.99, 286,030.82 and 101,902.29 is: 152,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,572.99 : 286,030.82 = 101,902.29 : x
  2. Step 2: Convert to fraction form
    190,572.99/286,030.82 = 101,902.29/x
  3. Step 3: Cross multiply
    190,572.99x = 286,030.82 × 101,902.29
  4. Step 4: Simplify right side
    190,572.99x = 29,147,195,059.07
  5. Step 5: Solve for x
    x = 29,147,195,059.07/190,572.99
  6. Step 6: Final answer
    x = 152,945.05

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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.