Finding the Fourth Proportional to 74,326,394.98, 102,529,108.65 and 69,065,588.26
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Solution
The fourth proportional to 74,326,394.98, 102,529,108.65 and 69,065,588.26 is: 95,272,119.74
Step by Step Solution
- Step 1: Write the proportion equation
74,326,394.98 : 102,529,108.65 = 69,065,588.26 : x - Step 2: Convert to fraction form
74,326,394.98/102,529,108.65 = 69,065,588.26/x - Step 3: Cross multiply
74,326,394.98x = 102,529,108.65 × 69,065,588.26 - Step 4: Simplify right side
74,326,394.98x = 7,081,233,202,685,705 - Step 5: Solve for x
x = 7,081,233,202,685,705/74,326,394.98 - Step 6: Final answer
x = 95,272,119.74
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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.