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Finding the Fourth Proportional to 222,745.40, 334,113.30 and 148,342.20

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Solution

The fourth proportional to 222,745.40, 334,113.30 and 148,342.20 is: 222,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,745.40 : 334,113.30 = 148,342.20 : x
  2. Step 2: Convert to fraction form
    222,745.40/334,113.30 = 148,342.20/x
  3. Step 3: Cross multiply
    222,745.40x = 334,113.30 × 148,342.20
  4. Step 4: Simplify right side
    222,745.40x = 49,563,101,971.26
  5. Step 5: Solve for x
    x = 49,563,101,971.26/222,745.40
  6. Step 6: Final answer
    x = 222,510.10

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1.5x scale

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.