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Finding the Fourth Proportional to 96,863.60, 145,295.40 and 30,304.30

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Solution

The fourth proportional to 96,863.60, 145,295.40 and 30,304.30 is: 45,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,863.60 : 145,295.40 = 30,304.30 : x
  2. Step 2: Convert to fraction form
    96,863.60/145,295.40 = 30,304.30/x
  3. Step 3: Cross multiply
    96,863.60x = 145,295.40 × 30,304.30
  4. Step 4: Simplify right side
    96,863.60x = 4,403,075,566.00
  5. Step 5: Solve for x
    x = 4,403,075,566.00/96,863.60
  6. Step 6: Final answer
    x = 45,456.45

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1.5x scale

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.