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Finding the Fourth Proportional to 350,548.06, 525,611.49 and 137,061.63

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Solution

The fourth proportional to 350,548.06, 525,611.49 and 137,061.63 is: 205,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,548.06 : 525,611.49 = 137,061.63 : x
  2. Step 2: Convert to fraction form
    350,548.06/525,611.49 = 137,061.63/x
  3. Step 3: Cross multiply
    350,548.06x = 525,611.49 × 137,061.63
  4. Step 4: Simplify right side
    350,548.06x = 72,041,167,566.13
  5. Step 5: Solve for x
    x = 72,041,167,566.13/350,548.06
  6. Step 6: Final answer
    x = 205,510.10

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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.