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Finding the Fourth Proportional to 239,402.49, 359,114.67 and 89,603.93

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Solution

The fourth proportional to 239,402.49, 359,114.67 and 89,603.93 is: 134,409.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,402.49 : 359,114.67 = 89,603.93 : x
  2. Step 2: Convert to fraction form
    239,402.49/359,114.67 = 89,603.93/x
  3. Step 3: Cross multiply
    239,402.49x = 359,114.67 × 89,603.93
  4. Step 4: Simplify right side
    239,402.49x = 32,178,083,957.08
  5. Step 5: Solve for x
    x = 32,178,083,957.08/239,402.49
  6. Step 6: Final answer
    x = 134,409.98

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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.