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Finding the Fourth Proportional to 240,458.30, 360,813.18 and 98,409.02

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Solution

The fourth proportional to 240,458.30, 360,813.18 and 98,409.02 is: 147,664.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,458.30 : 360,813.18 = 98,409.02 : x
  2. Step 2: Convert to fraction form
    240,458.30/360,813.18 = 98,409.02/x
  3. Step 3: Cross multiply
    240,458.30x = 360,813.18 × 98,409.02
  4. Step 4: Simplify right side
    240,458.30x = 35,507,271,446.88
  5. Step 5: Solve for x
    x = 35,507,271,446.88/240,458.30
  6. Step 6: Final answer
    x = 147,664.99

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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.