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Finding the Fourth Proportional to 162,552.40, 243,828.60 and 79,608.40

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Solution

The fourth proportional to 162,552.40, 243,828.60 and 79,608.40 is: 119,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,552.40 : 243,828.60 = 79,608.40 : x
  2. Step 2: Convert to fraction form
    162,552.40/243,828.60 = 79,608.40/x
  3. Step 3: Cross multiply
    162,552.40x = 243,828.60 × 79,608.40
  4. Step 4: Simplify right side
    162,552.40x = 19,410,804,720.24
  5. Step 5: Solve for x
    x = 19,410,804,720.24/162,552.40
  6. Step 6: Final answer
    x = 119,412.60

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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.