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Finding the Fourth Proportional to 159,464.40, 239,196.60 and 48,656.40

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Solution

The fourth proportional to 159,464.40, 239,196.60 and 48,656.40 is: 72,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,464.40 : 239,196.60 = 48,656.40 : x
  2. Step 2: Convert to fraction form
    159,464.40/239,196.60 = 48,656.40/x
  3. Step 3: Cross multiply
    159,464.40x = 239,196.60 × 48,656.40
  4. Step 4: Simplify right side
    159,464.40x = 11,638,445,448.24
  5. Step 5: Solve for x
    x = 11,638,445,448.24/159,464.40
  6. Step 6: Final answer
    x = 72,984.60

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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.