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Finding the Fourth Proportional to 201,302.80, 301,954.20 and 61,068.40

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Solution

The fourth proportional to 201,302.80, 301,954.20 and 61,068.40 is: 91,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,302.80 : 301,954.20 = 61,068.40 : x
  2. Step 2: Convert to fraction form
    201,302.80/301,954.20 = 61,068.40/x
  3. Step 3: Cross multiply
    201,302.80x = 301,954.20 × 61,068.40
  4. Step 4: Simplify right side
    201,302.80x = 18,439,859,867.28
  5. Step 5: Solve for x
    x = 18,439,859,867.28/201,302.80
  6. Step 6: Final answer
    x = 91,602.60

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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.