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Finding the Fourth Proportional to 162,382.70, 243,228.45 and 134,734.70

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Solution

The fourth proportional to 162,382.70, 243,228.45 and 134,734.70 is: 201,815.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,382.70 : 243,228.45 = 134,734.70 : x
  2. Step 2: Convert to fraction form
    162,382.70/243,228.45 = 134,734.70/x
  3. Step 3: Cross multiply
    162,382.70x = 243,228.45 × 134,734.70
  4. Step 4: Simplify right side
    162,382.70x = 32,771,312,242.22
  5. Step 5: Solve for x
    x = 32,771,312,242.22/162,382.70
  6. Step 6: Final answer
    x = 201,815.29

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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.