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Finding the Fourth Proportional to 161,152.40, 241,728.60 and 123,784.40

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Solution

The fourth proportional to 161,152.40, 241,728.60 and 123,784.40 is: 185,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,152.40 : 241,728.60 = 123,784.40 : x
  2. Step 2: Convert to fraction form
    161,152.40/241,728.60 = 123,784.40/x
  3. Step 3: Cross multiply
    161,152.40x = 241,728.60 × 123,784.40
  4. Step 4: Simplify right side
    161,152.40x = 29,922,229,713.84
  5. Step 5: Solve for x
    x = 29,922,229,713.84/161,152.40
  6. Step 6: Final answer
    x = 185,676.60

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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.