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Finding the Fourth Proportional to 147,369.60, 221,054.40 and 134,467.20

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Solution

The fourth proportional to 147,369.60, 221,054.40 and 134,467.20 is: 201,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,369.60 : 221,054.40 = 134,467.20 : x
  2. Step 2: Convert to fraction form
    147,369.60/221,054.40 = 134,467.20/x
  3. Step 3: Cross multiply
    147,369.60x = 221,054.40 × 134,467.20
  4. Step 4: Simplify right side
    147,369.60x = 29,724,566,215.68
  5. Step 5: Solve for x
    x = 29,724,566,215.68/147,369.60
  6. Step 6: Final answer
    x = 201,700.80

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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.