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Finding the Fourth Proportional to 201,302.72, 301,955.16 and 61,061.48

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Solution

The fourth proportional to 201,302.72, 301,955.16 and 61,061.48 is: 91,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,302.72 : 301,955.16 = 61,061.48 : x
  2. Step 2: Convert to fraction form
    201,302.72/301,955.16 = 61,061.48/x
  3. Step 3: Cross multiply
    201,302.72x = 301,955.16 × 61,061.48
  4. Step 4: Simplify right side
    201,302.72x = 18,437,828,963.24
  5. Step 5: Solve for x
    x = 18,437,828,963.24/201,302.72
  6. Step 6: Final answer
    x = 91,592.55

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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.