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Finding the Fourth Proportional to 299,070.05, 448,629.39 and 88,707.38

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Solution

The fourth proportional to 299,070.05, 448,629.39 and 88,707.38 is: 133,068.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,070.05 : 448,629.39 = 88,707.38 : x
  2. Step 2: Convert to fraction form
    299,070.05/448,629.39 = 88,707.38/x
  3. Step 3: Cross multiply
    299,070.05x = 448,629.39 × 88,707.38
  4. Step 4: Simplify right side
    299,070.05x = 39,796,735,534.75
  5. Step 5: Solve for x
    x = 39,796,735,534.75/299,070.05
  6. Step 6: Final answer
    x = 133,068.28

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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.