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Finding the Fourth Proportional to 348,672.79, 523,038.35 and 124,155.37

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Solution

The fourth proportional to 348,672.79, 523,038.35 and 124,155.37 is: 186,243.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,672.79 : 523,038.35 = 124,155.37 : x
  2. Step 2: Convert to fraction form
    348,672.79/523,038.35 = 124,155.37/x
  3. Step 3: Cross multiply
    348,672.79x = 523,038.35 × 124,155.37
  4. Step 4: Simplify right side
    348,672.79x = 64,938,019,868.44
  5. Step 5: Solve for x
    x = 64,938,019,868.44/348,672.79
  6. Step 6: Final answer
    x = 186,243.44

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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.