Finding the Fourth Proportional to 92,223.70, 138,335.55 and 88,335.70
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Solution
The fourth proportional to 92,223.70, 138,335.55 and 88,335.70 is: 132,503.55
Step by Step Solution
- Step 1: Write the proportion equation
92,223.70 : 138,335.55 = 88,335.70 : x - Step 2: Convert to fraction form
92,223.70/138,335.55 = 88,335.70/x - Step 3: Cross multiply
92,223.70x = 138,335.55 × 88,335.70 - Step 4: Simplify right side
92,223.70x = 12,219,967,644.14 - Step 5: Solve for x
x = 12,219,967,644.14/92,223.70 - Step 6: Final answer
x = 132,503.55
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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.