Finding the Fourth Proportional to 109,675.98, 151,352.91 and 59,374.98
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Solution
The fourth proportional to 109,675.98, 151,352.91 and 59,374.98 is: 81,937.50
Step by Step Solution
- Step 1: Write the proportion equation
109,675.98 : 151,352.91 = 59,374.98 : x - Step 2: Convert to fraction form
109,675.98/151,352.91 = 59,374.98/x - Step 3: Cross multiply
109,675.98x = 151,352.91 × 59,374.98 - Step 4: Simplify right side
109,675.98x = 8,986,576,004.19 - Step 5: Solve for x
x = 8,986,576,004.19/109,675.98 - Step 6: Final answer
x = 81,937.50
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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.