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Finding the Fourth Proportional to 334,683.68, 502,123.94 and 134,901.23

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Solution

The fourth proportional to 334,683.68, 502,123.94 and 134,901.23 is: 202,391.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,683.68 : 502,123.94 = 134,901.23 : x
  2. Step 2: Convert to fraction form
    334,683.68/502,123.94 = 134,901.23/x
  3. Step 3: Cross multiply
    334,683.68x = 502,123.94 × 134,901.23
  4. Step 4: Simplify right side
    334,683.68x = 67,737,133,933.32
  5. Step 5: Solve for x
    x = 67,737,133,933.32/334,683.68
  6. Step 6: Final answer
    x = 202,391.51

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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.