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Finding the Fourth Proportional to 190,710.98, 263,184.49 and 104,678.01

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Solution

The fourth proportional to 190,710.98, 263,184.49 and 104,678.01 is: 144,457.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,710.98 : 263,184.49 = 104,678.01 : x
  2. Step 2: Convert to fraction form
    190,710.98/263,184.49 = 104,678.01/x
  3. Step 3: Cross multiply
    190,710.98x = 263,184.49 × 104,678.01
  4. Step 4: Simplify right side
    190,710.98x = 27,549,628,806.91
  5. Step 5: Solve for x
    x = 27,549,628,806.91/190,710.98
  6. Step 6: Final answer
    x = 144,457.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.