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Finding the Fourth Proportional to 163,903.40, 245,682.30 and 93,631.40

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Solution

The fourth proportional to 163,903.40, 245,682.30 and 93,631.40 is: 140,348.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,903.40 : 245,682.30 = 93,631.40 : x
  2. Step 2: Convert to fraction form
    163,903.40/245,682.30 = 93,631.40/x
  3. Step 3: Cross multiply
    163,903.40x = 245,682.30 × 93,631.40
  4. Step 4: Simplify right side
    163,903.40x = 23,003,577,704.22
  5. Step 5: Solve for x
    x = 23,003,577,704.22/163,903.40
  6. Step 6: Final answer
    x = 140,348.39

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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.