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Finding the Fourth Proportional to 366,145.67, 549,270.68 and 113,446.02

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Solution

The fourth proportional to 366,145.67, 549,270.68 and 113,446.02 is: 170,185.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,145.67 : 549,270.68 = 113,446.02 : x
  2. Step 2: Convert to fraction form
    366,145.67/549,270.68 = 113,446.02/x
  3. Step 3: Cross multiply
    366,145.67x = 549,270.68 × 113,446.02
  4. Step 4: Simplify right side
    366,145.67x = 62,312,571,981.46
  5. Step 5: Solve for x
    x = 62,312,571,981.46/366,145.67
  6. Step 6: Final answer
    x = 170,185.19

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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.