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Finding the Fourth Proportional to 162,561.60, 243,496.80 and 106,574.40

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Solution

The fourth proportional to 162,561.60, 243,496.80 and 106,574.40 is: 159,635.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,561.60 : 243,496.80 = 106,574.40 : x
  2. Step 2: Convert to fraction form
    162,561.60/243,496.80 = 106,574.40/x
  3. Step 3: Cross multiply
    162,561.60x = 243,496.80 × 106,574.40
  4. Step 4: Simplify right side
    162,561.60x = 25,950,525,361.92
  5. Step 5: Solve for x
    x = 25,950,525,361.92/162,561.60
  6. Step 6: Final answer
    x = 159,635.03

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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.