Finding the Fourth Proportional to 97,220.19, 145,882.58 and 93,681.55
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Solution
The fourth proportional to 97,220.19, 145,882.58 and 93,681.55 is: 140,572.70
Step by Step Solution
- Step 1: Write the proportion equation
97,220.19 : 145,882.58 = 93,681.55 : x - Step 2: Convert to fraction form
97,220.19/145,882.58 = 93,681.55/x - Step 3: Cross multiply
97,220.19x = 145,882.58 × 93,681.55 - Step 4: Simplify right side
97,220.19x = 13,666,505,379.28 - Step 5: Solve for x
x = 13,666,505,379.28/97,220.19 - Step 6: Final answer
x = 140,572.70
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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.