Finding the Fourth Proportional to 134,727.68, 185,925.50 and 74,300.46
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Solution
The fourth proportional to 134,727.68, 185,925.50 and 74,300.46 is: 102,535.35
Step by Step Solution
- Step 1: Write the proportion equation
134,727.68 : 185,925.50 = 74,300.46 : x - Step 2: Convert to fraction form
134,727.68/185,925.50 = 74,300.46/x - Step 3: Cross multiply
134,727.68x = 185,925.50 × 74,300.46 - Step 4: Simplify right side
134,727.68x = 13,814,349,804.23 - Step 5: Solve for x
x = 13,814,349,804.23/134,727.68 - Step 6: Final answer
x = 102,535.35
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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.