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Finding the Fourth Proportional to 162,860.40, 244,290.60 and 134,866.80

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Solution

The fourth proportional to 162,860.40, 244,290.60 and 134,866.80 is: 202,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,860.40 : 244,290.60 = 134,866.80 : x
  2. Step 2: Convert to fraction form
    162,860.40/244,290.60 = 134,866.80/x
  3. Step 3: Cross multiply
    162,860.40x = 244,290.60 × 134,866.80
  4. Step 4: Simplify right side
    162,860.40x = 32,946,691,492.08
  5. Step 5: Solve for x
    x = 32,946,691,492.08/162,860.40
  6. Step 6: Final answer
    x = 202,300.20

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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.