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Finding the Fourth Proportional to 201,386.69, 277,918.13 and 110,736.89

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Solution

The fourth proportional to 201,386.69, 277,918.13 and 110,736.89 is: 152,819.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,386.69 : 277,918.13 = 110,736.89 : x
  2. Step 2: Convert to fraction form
    201,386.69/277,918.13 = 110,736.89/x
  3. Step 3: Cross multiply
    201,386.69x = 277,918.13 × 110,736.89
  4. Step 4: Simplify right side
    201,386.69x = 30,775,788,278.07
  5. Step 5: Solve for x
    x = 30,775,788,278.07/201,386.69
  6. Step 6: Final answer
    x = 152,819.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.