Finding the Fourth Proportional to 193,673,117.70, 290,509,676.55 and 193,673,117.70
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Solution
The fourth proportional to 193,673,117.70, 290,509,676.55 and 193,673,117.70 is: 290,509,676.55
Step by Step Solution
- Step 1: Write the proportion equation
193,673,117.70 : 290,509,676.55 = 193,673,117.70 : x - Step 2: Convert to fraction form
193,673,117.70/290,509,676.55 = 193,673,117.70/x - Step 3: Cross multiply
193,673,117.70x = 290,509,676.55 × 193,673,117.70 - Step 4: Simplify right side
193,673,117.70x = 56,263,914,779,457,080 - Step 5: Solve for x
x = 56,263,914,779,457,080/193,673,117.70 - Step 6: Final answer
x = 290,509,676.55
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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.