Finding the Fourth Proportional to 118,467.01, 163,484.07 and 64,751.99
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Solution
The fourth proportional to 118,467.01, 163,484.07 and 64,751.99 is: 89,357.53
Step by Step Solution
- Step 1: Write the proportion equation
118,467.01 : 163,484.07 = 64,751.99 : x - Step 2: Convert to fraction form
118,467.01/163,484.07 = 64,751.99/x - Step 3: Cross multiply
118,467.01x = 163,484.07 × 64,751.99 - Step 4: Simplify right side
118,467.01x = 10,585,918,865.80 - Step 5: Solve for x
x = 10,585,918,865.80/118,467.01 - Step 6: Final answer
x = 89,357.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.