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Finding the Fourth Proportional to 163,702.80, 245,554.20 and 52,894.80

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Solution

The fourth proportional to 163,702.80, 245,554.20 and 52,894.80 is: 79,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,702.80 : 245,554.20 = 52,894.80 : x
  2. Step 2: Convert to fraction form
    163,702.80/245,554.20 = 52,894.80/x
  3. Step 3: Cross multiply
    163,702.80x = 245,554.20 × 52,894.80
  4. Step 4: Simplify right side
    163,702.80x = 12,988,540,298.16
  5. Step 5: Solve for x
    x = 12,988,540,298.16/163,702.80
  6. Step 6: Final answer
    x = 79,342.20

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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.