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Finding the Fourth Proportional to 163,988.80, 245,594.40 and 163,988.80

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Solution

The fourth proportional to 163,988.80, 245,594.40 and 163,988.80 is: 245,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,988.80 : 245,594.40 = 163,988.80 : x
  2. Step 2: Convert to fraction form
    163,988.80/245,594.40 = 163,988.80/x
  3. Step 3: Cross multiply
    163,988.80x = 245,594.40 × 163,988.80
  4. Step 4: Simplify right side
    163,988.80x = 40,274,730,942.72
  5. Step 5: Solve for x
    x = 40,274,730,942.72/163,988.80
  6. Step 6: Final answer
    x = 245,594.40

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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.