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Finding the Fourth Proportional to 350,197.94, 525,307.53 and 136,957.34

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Solution

The fourth proportional to 350,197.94, 525,307.53 and 136,957.34 is: 205,440.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,197.94 : 525,307.53 = 136,957.34 : x
  2. Step 2: Convert to fraction form
    350,197.94/525,307.53 = 136,957.34/x
  3. Step 3: Cross multiply
    350,197.94x = 525,307.53 × 136,957.34
  4. Step 4: Simplify right side
    350,197.94x = 71,944,721,990.77
  5. Step 5: Solve for x
    x = 71,944,721,990.77/350,197.94
  6. Step 6: Final answer
    x = 205,440.16

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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.