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Finding the Fourth Proportional to 264,986.94, 365,686.68 and 144,130.86

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Solution

The fourth proportional to 264,986.94, 365,686.68 and 144,130.86 is: 198,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,986.94 : 365,686.68 = 144,130.86 : x
  2. Step 2: Convert to fraction form
    264,986.94/365,686.68 = 144,130.86/x
  3. Step 3: Cross multiply
    264,986.94x = 365,686.68 × 144,130.86
  4. Step 4: Simplify right side
    264,986.94x = 52,706,735,678.94
  5. Step 5: Solve for x
    x = 52,706,735,678.94/264,986.94
  6. Step 6: Final answer
    x = 198,903.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.