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Finding the Fourth Proportional to 159,368.64, 238,964.64 and 73,886.10

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Solution

The fourth proportional to 159,368.64, 238,964.64 and 73,886.10 is: 110,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,368.64 : 238,964.64 = 73,886.10 : x
  2. Step 2: Convert to fraction form
    159,368.64/238,964.64 = 73,886.10/x
  3. Step 3: Cross multiply
    159,368.64x = 238,964.64 × 73,886.10
  4. Step 4: Simplify right side
    159,368.64x = 17,656,165,287.50
  5. Step 5: Solve for x
    x = 17,656,165,287.50/159,368.64
  6. Step 6: Final answer
    x = 110,788.20

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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.