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Finding the Fourth Proportional to 248,601.40, 372,683.40 and 148,801.30

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Solution

The fourth proportional to 248,601.40, 372,683.40 and 148,801.30 is: 223,071.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,601.40 : 372,683.40 = 148,801.30 : x
  2. Step 2: Convert to fraction form
    248,601.40/372,683.40 = 148,801.30/x
  3. Step 3: Cross multiply
    248,601.40x = 372,683.40 × 148,801.30
  4. Step 4: Simplify right side
    248,601.40x = 55,455,774,408.42
  5. Step 5: Solve for x
    x = 55,455,774,408.42/248,601.40
  6. Step 6: Final answer
    x = 223,071.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.