Finding the Fourth Proportional to 105,660,416.70, 147,622,252.50 and 105,660,416.70
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Solution
The fourth proportional to 105,660,416.70, 147,622,252.50 and 105,660,416.70 is: 147,622,252.50
Step by Step Solution
- Step 1: Write the proportion equation
105,660,416.70 : 147,622,252.50 = 105,660,416.70 : x - Step 2: Convert to fraction form
105,660,416.70/147,622,252.50 = 105,660,416.70/x - Step 3: Cross multiply
105,660,416.70x = 147,622,252.50 × 105,660,416.70 - Step 4: Simplify right side
105,660,416.70x = 15,597,828,713,342,618 - Step 5: Solve for x
x = 15,597,828,713,342,618/105,660,416.70 - Step 6: Final answer
x = 147,622,252.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.