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Finding the Fourth Proportional to 147,654.40, 221,438.40 and 52,873.60

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Solution

The fourth proportional to 147,654.40, 221,438.40 and 52,873.60 is: 79,294.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,654.40 : 221,438.40 = 52,873.60 : x
  2. Step 2: Convert to fraction form
    147,654.40/221,438.40 = 52,873.60/x
  3. Step 3: Cross multiply
    147,654.40x = 221,438.40 × 52,873.60
  4. Step 4: Simplify right side
    147,654.40x = 11,708,245,386.24
  5. Step 5: Solve for x
    x = 11,708,245,386.24/147,654.40
  6. Step 6: Final answer
    x = 79,294.93

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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.