Finding the Fourth Proportional to 134,330.66, 201,053.08 and 74,266.80
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Solution
The fourth proportional to 134,330.66, 201,053.08 and 74,266.80 is: 111,155.33
Step by Step Solution
- Step 1: Write the proportion equation
134,330.66 : 201,053.08 = 74,266.80 : x - Step 2: Convert to fraction form
134,330.66/201,053.08 = 74,266.80/x - Step 3: Cross multiply
134,330.66x = 201,053.08 × 74,266.80 - Step 4: Simplify right side
134,330.66x = 14,931,568,881.74 - Step 5: Solve for x
x = 14,931,568,881.74/134,330.66 - Step 6: Final answer
x = 111,155.33
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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.