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Finding the Fourth Proportional to 268,706.27, 403,150.53 and 118,925.93

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Solution

The fourth proportional to 268,706.27, 403,150.53 and 118,925.93 is: 178,429.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,706.27 : 403,150.53 = 118,925.93 : x
  2. Step 2: Convert to fraction form
    268,706.27/403,150.53 = 118,925.93/x
  3. Step 3: Cross multiply
    268,706.27x = 403,150.53 × 118,925.93
  4. Step 4: Simplify right side
    268,706.27x = 47,945,051,710.24
  5. Step 5: Solve for x
    x = 47,945,051,710.24/268,706.27
  6. Step 6: Final answer
    x = 178,429.23

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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.