Finding the Fourth Proportional to 162,868.70, 244,303.05 and 156,963.80
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Solution
The fourth proportional to 162,868.70, 244,303.05 and 156,963.80 is: 235,445.70
Step by Step Solution
- Step 1: Write the proportion equation
162,868.70 : 244,303.05 = 156,963.80 : x - Step 2: Convert to fraction form
162,868.70/244,303.05 = 156,963.80/x - Step 3: Cross multiply
162,868.70x = 244,303.05 × 156,963.80 - Step 4: Simplify right side
162,868.70x = 38,346,735,079.59 - Step 5: Solve for x
x = 38,346,735,079.59/162,868.70 - Step 6: Final answer
x = 235,445.70
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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.