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Finding the Fourth Proportional to 96,646.68, 144,911.75 and 43,329

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Solution

The fourth proportional to 96,646.68, 144,911.75 and 43,329 is: 64,967.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,646.68 : 144,911.75 = 43,329 : x
  2. Step 2: Convert to fraction form
    96,646.68/144,911.75 = 43,329/x
  3. Step 3: Cross multiply
    96,646.68x = 144,911.75 × 43,329
  4. Step 4: Simplify right side
    96,646.68x = 6,278,880,999.11
  5. Step 5: Solve for x
    x = 6,278,880,999.11/96,646.68
  6. Step 6: Final answer
    x = 64,967.37

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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.