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Finding the Fourth Proportional to 162,845.40, 244,325.70 and 157,085.40

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Solution

The fourth proportional to 162,845.40, 244,325.70 and 157,085.40 is: 235,683.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,845.40 : 244,325.70 = 157,085.40 : x
  2. Step 2: Convert to fraction form
    162,845.40/244,325.70 = 157,085.40/x
  3. Step 3: Cross multiply
    162,845.40x = 244,325.70 × 157,085.40
  4. Step 4: Simplify right side
    162,845.40x = 38,380,000,314.78
  5. Step 5: Solve for x
    x = 38,380,000,314.78/162,845.40
  6. Step 6: Final answer
    x = 235,683.66

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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.