Finding the Fourth Proportional to 73,527,902.80, 110,079,277.80 and 71,402,138.80
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Solution
The fourth proportional to 73,527,902.80, 110,079,277.80 and 71,402,138.80 is: 106,896,777.59
Step by Step Solution
- Step 1: Write the proportion equation
73,527,902.80 : 110,079,277.80 = 71,402,138.80 : x - Step 2: Convert to fraction form
73,527,902.80/110,079,277.80 = 71,402,138.80/x - Step 3: Cross multiply
73,527,902.80x = 110,079,277.80 × 71,402,138.80 - Step 4: Simplify right side
73,527,902.80x = 7,859,895,872,479,358 - Step 5: Solve for x
x = 7,859,895,872,479,358/73,527,902.80 - Step 6: Final answer
x = 106,896,777.59
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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.