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Finding the Fourth Proportional to 163,532.40, 245,116.35 and 63,659.40

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Solution

The fourth proportional to 163,532.40, 245,116.35 and 63,659.40 is: 95,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,532.40 : 245,116.35 = 63,659.40 : x
  2. Step 2: Convert to fraction form
    163,532.40/245,116.35 = 63,659.40/x
  3. Step 3: Cross multiply
    163,532.40x = 245,116.35 × 63,659.40
  4. Step 4: Simplify right side
    163,532.40x = 15,603,959,771.19
  5. Step 5: Solve for x
    x = 15,603,959,771.19/163,532.40
  6. Step 6: Final answer
    x = 95,418.15

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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.