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Finding the Fourth Proportional to 216,754.25, 299,116.10 and 118,637.00

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Solution

The fourth proportional to 216,754.25, 299,116.10 and 118,637.00 is: 163,716.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,754.25 : 299,116.10 = 118,637.00 : x
  2. Step 2: Convert to fraction form
    216,754.25/299,116.10 = 118,637.00/x
  3. Step 3: Cross multiply
    216,754.25x = 299,116.10 × 118,637.00
  4. Step 4: Simplify right side
    216,754.25x = 35,486,238,527.76
  5. Step 5: Solve for x
    x = 35,486,238,527.76/216,754.25
  6. Step 6: Final answer
    x = 163,716.46

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Why These Related Problems?

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