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Finding the Fourth Proportional to 183,420.54, 253,123.02 and 106,937.55

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Solution

The fourth proportional to 183,420.54, 253,123.02 and 106,937.55 is: 147,575.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,420.54 : 253,123.02 = 106,937.55 : x
  2. Step 2: Convert to fraction form
    183,420.54/253,123.02 = 106,937.55/x
  3. Step 3: Cross multiply
    183,420.54x = 253,123.02 × 106,937.55
  4. Step 4: Simplify right side
    183,420.54x = 27,068,355,607.40
  5. Step 5: Solve for x
    x = 27,068,355,607.40/183,420.54
  6. Step 6: Final answer
    x = 147,575.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.