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Finding the Fourth Proportional to 201,307.51, 277,788.18 and 110,661.22

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Solution

The fourth proportional to 201,307.51, 277,788.18 and 110,661.22 is: 152,703.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,307.51 : 277,788.18 = 110,661.22 : x
  2. Step 2: Convert to fraction form
    201,307.51/277,788.18 = 110,661.22/x
  3. Step 3: Cross multiply
    201,307.51x = 277,788.18 × 110,661.22
  4. Step 4: Simplify right side
    201,307.51x = 30,740,378,900.38
  5. Step 5: Solve for x
    x = 30,740,378,900.38/201,307.51
  6. Step 6: Final answer
    x = 152,703.59

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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.