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Finding the Fourth Proportional to 260,159.62, 390,230.52 and 110,303.42

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Solution

The fourth proportional to 260,159.62, 390,230.52 and 110,303.42 is: 165,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,159.62 : 390,230.52 = 110,303.42 : x
  2. Step 2: Convert to fraction form
    260,159.62/390,230.52 = 110,303.42/x
  3. Step 3: Cross multiply
    260,159.62x = 390,230.52 × 110,303.42
  4. Step 4: Simplify right side
    260,159.62x = 43,043,760,944.38
  5. Step 5: Solve for x
    x = 43,043,760,944.38/260,159.62
  6. Step 6: Final answer
    x = 165,451.35

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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.