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Finding the Fourth Proportional to 201,250.93, 277,623.93 and 153,421.24

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Solution

The fourth proportional to 201,250.93, 277,623.93 and 153,421.24 is: 211,643.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,250.93 : 277,623.93 = 153,421.24 : x
  2. Step 2: Convert to fraction form
    201,250.93/277,623.93 = 153,421.24/x
  3. Step 3: Cross multiply
    201,250.93x = 277,623.93 × 153,421.24
  4. Step 4: Simplify right side
    201,250.93x = 42,593,407,564.59
  5. Step 5: Solve for x
    x = 42,593,407,564.59/201,250.93
  6. Step 6: Final answer
    x = 211,643.28

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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.