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Finding the Fourth Proportional to 220,762.53, 304,643.84 and 125,263.53

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Solution

The fourth proportional to 220,762.53, 304,643.84 and 125,263.53 is: 172,858.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,762.53 : 304,643.84 = 125,263.53 : x
  2. Step 2: Convert to fraction form
    220,762.53/304,643.84 = 125,263.53/x
  3. Step 3: Cross multiply
    220,762.53x = 304,643.84 × 125,263.53
  4. Step 4: Simplify right side
    220,762.53x = 38,160,762,164.84
  5. Step 5: Solve for x
    x = 38,160,762,164.84/220,762.53
  6. Step 6: Final answer
    x = 172,858.87

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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.