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Finding the Fourth Proportional to 163,532.90, 245,117.10 and 63,659.90

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Solution

The fourth proportional to 163,532.90, 245,117.10 and 63,659.90 is: 95,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,532.90 : 245,117.10 = 63,659.90 : x
  2. Step 2: Convert to fraction form
    163,532.90/245,117.10 = 63,659.90/x
  3. Step 3: Cross multiply
    163,532.90x = 245,117.10 × 63,659.90
  4. Step 4: Simplify right side
    163,532.90x = 15,604,130,074.29
  5. Step 5: Solve for x
    x = 15,604,130,074.29/163,532.90
  6. Step 6: Final answer
    x = 95,418.90

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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.