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Finding the Fourth Proportional to 162,181.17, 243,294.98 and 49,870.80

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Solution

The fourth proportional to 162,181.17, 243,294.98 and 49,870.80 is: 74,813.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,181.17 : 243,294.98 = 49,870.80 : x
  2. Step 2: Convert to fraction form
    162,181.17/243,294.98 = 49,870.80/x
  3. Step 3: Cross multiply
    162,181.17x = 243,294.98 × 49,870.80
  4. Step 4: Simplify right side
    162,181.17x = 12,133,315,039.23
  5. Step 5: Solve for x
    x = 12,133,315,039.23/162,181.17
  6. Step 6: Final answer
    x = 74,813.34

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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.