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Finding the Fourth Proportional to 61,473.40, 92,210.10 and 30,304.60

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Solution

The fourth proportional to 61,473.40, 92,210.10 and 30,304.60 is: 45,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,473.40 : 92,210.10 = 30,304.60 : x
  2. Step 2: Convert to fraction form
    61,473.40/92,210.10 = 30,304.60/x
  3. Step 3: Cross multiply
    61,473.40x = 92,210.10 × 30,304.60
  4. Step 4: Simplify right side
    61,473.40x = 2,794,390,196.46
  5. Step 5: Solve for x
    x = 2,794,390,196.46/61,473.40
  6. Step 6: Final answer
    x = 45,456.90

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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.