Finding the Fourth Proportional to 358,069.01, 536,988.69 and 118,129.13
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Solution
The fourth proportional to 358,069.01, 536,988.69 and 118,129.13 is: 177,155.82
Step by Step Solution
- Step 1: Write the proportion equation
358,069.01 : 536,988.69 = 118,129.13 : x - Step 2: Convert to fraction form
358,069.01/536,988.69 = 118,129.13/x - Step 3: Cross multiply
358,069.01x = 536,988.69 × 118,129.13 - Step 4: Simplify right side
358,069.01x = 63,434,009,118.87 - Step 5: Solve for x
x = 63,434,009,118.87/358,069.01 - Step 6: Final answer
x = 177,155.82
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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.