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Finding the Fourth Proportional to 161,894.95, 242,820.55 and 43,573.39

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Solution

The fourth proportional to 161,894.95, 242,820.55 and 43,573.39 is: 65,354.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,894.95 : 242,820.55 = 43,573.39 : x
  2. Step 2: Convert to fraction form
    161,894.95/242,820.55 = 43,573.39/x
  3. Step 3: Cross multiply
    161,894.95x = 242,820.55 × 43,573.39
  4. Step 4: Simplify right side
    161,894.95x = 10,580,513,809.18
  5. Step 5: Solve for x
    x = 10,580,513,809.18/161,894.95
  6. Step 6: Final answer
    x = 65,354.19

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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.