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Finding the Fourth Proportional to 163,638.30, 245,587.05 and 63,846.30

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Solution

The fourth proportional to 163,638.30, 245,587.05 and 63,846.30 is: 95,820.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,638.30 : 245,587.05 = 63,846.30 : x
  2. Step 2: Convert to fraction form
    163,638.30/245,587.05 = 63,846.30/x
  3. Step 3: Cross multiply
    163,638.30x = 245,587.05 × 63,846.30
  4. Step 4: Simplify right side
    163,638.30x = 15,679,824,470.42
  5. Step 5: Solve for x
    x = 15,679,824,470.42/163,638.30
  6. Step 6: Final answer
    x = 95,820.02

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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.