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Finding the Fourth Proportional to 201,304.80, 301,957.20 and 61,070.40

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Solution

The fourth proportional to 201,304.80, 301,957.20 and 61,070.40 is: 91,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,304.80 : 301,957.20 = 61,070.40 : x
  2. Step 2: Convert to fraction form
    201,304.80/301,957.20 = 61,070.40/x
  3. Step 3: Cross multiply
    201,304.80x = 301,957.20 × 61,070.40
  4. Step 4: Simplify right side
    201,304.80x = 18,440,646,986.88
  5. Step 5: Solve for x
    x = 18,440,646,986.88/201,304.80
  6. Step 6: Final answer
    x = 91,605.60

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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.