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Finding the Fourth Proportional to 216,737.34, 325,199.04 and 83,711.01

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Solution

The fourth proportional to 216,737.34, 325,199.04 and 83,711.01 is: 125,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,737.34 : 325,199.04 = 83,711.01 : x
  2. Step 2: Convert to fraction form
    216,737.34/325,199.04 = 83,711.01/x
  3. Step 3: Cross multiply
    216,737.34x = 325,199.04 × 83,711.01
  4. Step 4: Simplify right side
    216,737.34x = 27,222,740,089.43
  5. Step 5: Solve for x
    x = 27,222,740,089.43/216,737.34
  6. Step 6: Final answer
    x = 125,602.45

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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.