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Finding the Fourth Proportional to 159,258.64, 238,923.48 and 48,459.28

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Solution

The fourth proportional to 159,258.64, 238,923.48 and 48,459.28 is: 72,699.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,258.64 : 238,923.48 = 48,459.28 : x
  2. Step 2: Convert to fraction form
    159,258.64/238,923.48 = 48,459.28/x
  3. Step 3: Cross multiply
    159,258.64x = 238,923.48 × 48,459.28
  4. Step 4: Simplify right side
    159,258.64x = 11,578,059,815.89
  5. Step 5: Solve for x
    x = 11,578,059,815.89/159,258.64
  6. Step 6: Final answer
    x = 72,699.73

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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.