Finding the Fourth Proportional to 135,769,269.03, 187,381,334.30 and 76,237,248.21
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Solution
The fourth proportional to 135,769,269.03, 187,381,334.30 and 76,237,248.21 is: 105,218,488.65
Step by Step Solution
- Step 1: Write the proportion equation
135,769,269.03 : 187,381,334.30 = 76,237,248.21 : x - Step 2: Convert to fraction form
135,769,269.03/187,381,334.30 = 76,237,248.21/x - Step 3: Cross multiply
135,769,269.03x = 187,381,334.30 × 76,237,248.21 - Step 4: Simplify right side
135,769,269.03x = 14,285,437,292,568,898 - Step 5: Solve for x
x = 14,285,437,292,568,898/135,769,269.03 - Step 6: Final answer
x = 105,218,488.65
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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.