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Finding the Fourth Proportional to 159,567.60, 239,132.70 and 130,043.10

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Solution

The fourth proportional to 159,567.60, 239,132.70 and 130,043.10 is: 194,886.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,567.60 : 239,132.70 = 130,043.10 : x
  2. Step 2: Convert to fraction form
    159,567.60/239,132.70 = 130,043.10/x
  3. Step 3: Cross multiply
    159,567.60x = 239,132.70 × 130,043.10
  4. Step 4: Simplify right side
    159,567.60x = 31,097,557,619.37
  5. Step 5: Solve for x
    x = 31,097,557,619.37/159,567.60
  6. Step 6: Final answer
    x = 194,886.42

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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.