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Finding the Fourth Proportional to 162,033.30, 243,017.55 and 77,793.30

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Solution

The fourth proportional to 162,033.30, 243,017.55 and 77,793.30 is: 116,674.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,033.30 : 243,017.55 = 77,793.30 : x
  2. Step 2: Convert to fraction form
    162,033.30/243,017.55 = 77,793.30/x
  3. Step 3: Cross multiply
    162,033.30x = 243,017.55 × 77,793.30
  4. Step 4: Simplify right side
    162,033.30x = 18,905,137,172.42
  5. Step 5: Solve for x
    x = 18,905,137,172.42/162,033.30
  6. Step 6: Final answer
    x = 116,674.39

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1.5x scale

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.