Finding the Fourth Proportional to 118,216.24, 163,116.16 and 70,474.08
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Solution
The fourth proportional to 118,216.24, 163,116.16 and 70,474.08 is: 97,240.97
Step by Step Solution
- Step 1: Write the proportion equation
118,216.24 : 163,116.16 = 70,474.08 : x - Step 2: Convert to fraction form
118,216.24/163,116.16 = 70,474.08/x - Step 3: Cross multiply
118,216.24x = 163,116.16 × 70,474.08 - Step 4: Simplify right side
118,216.24x = 11,495,461,309.13 - Step 5: Solve for x
x = 11,495,461,309.13/118,216.24 - Step 6: Final answer
x = 97,240.97
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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.