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Finding the Fourth Proportional to 238,223.80, 357,338.94 and 88,406.20

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Solution

The fourth proportional to 238,223.80, 357,338.94 and 88,406.20 is: 132,610.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,223.80 : 357,338.94 = 88,406.20 : x
  2. Step 2: Convert to fraction form
    238,223.80/357,338.94 = 88,406.20/x
  3. Step 3: Cross multiply
    238,223.80x = 357,338.94 × 88,406.20
  4. Step 4: Simplify right side
    238,223.80x = 31,590,977,797.43
  5. Step 5: Solve for x
    x = 31,590,977,797.43/238,223.80
  6. Step 6: Final answer
    x = 132,610.50

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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.