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Finding the Fourth Proportional to 164,028.80, 246,043.20 and 162,646.40

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Solution

The fourth proportional to 164,028.80, 246,043.20 and 162,646.40 is: 243,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,028.80 : 246,043.20 = 162,646.40 : x
  2. Step 2: Convert to fraction form
    164,028.80/246,043.20 = 162,646.40/x
  3. Step 3: Cross multiply
    164,028.80x = 246,043.20 × 162,646.40
  4. Step 4: Simplify right side
    164,028.80x = 40,018,040,724.48
  5. Step 5: Solve for x
    x = 40,018,040,724.48/164,028.80
  6. Step 6: Final answer
    x = 243,969.60

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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.