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Finding the Fourth Proportional to 201,539.77, 302,426.48 and 101,707.76

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Solution

The fourth proportional to 201,539.77, 302,426.48 and 101,707.76 is: 152,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,539.77 : 302,426.48 = 101,707.76 : x
  2. Step 2: Convert to fraction form
    201,539.77/302,426.48 = 101,707.76/x
  3. Step 3: Cross multiply
    201,539.77x = 302,426.48 × 101,707.76
  4. Step 4: Simplify right side
    201,539.77x = 30,759,120,855.82
  5. Step 5: Solve for x
    x = 30,759,120,855.82/201,539.77
  6. Step 6: Final answer
    x = 152,620.60

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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.