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Finding the Fourth Proportional to 158,636.75, 237,929.60 and 46,290.59

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Solution

The fourth proportional to 158,636.75, 237,929.60 and 46,290.59 is: 69,428.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,636.75 : 237,929.60 = 46,290.59 : x
  2. Step 2: Convert to fraction form
    158,636.75/237,929.60 = 46,290.59/x
  3. Step 3: Cross multiply
    158,636.75x = 237,929.60 × 46,290.59
  4. Step 4: Simplify right side
    158,636.75x = 11,013,901,331.01
  5. Step 5: Solve for x
    x = 11,013,901,331.01/158,636.75
  6. Step 6: Final answer
    x = 69,428.44

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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.