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Finding the Fourth Proportional to 183,695.86, 253,500.14 and 103,123.54

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Solution

The fourth proportional to 183,695.86, 253,500.14 and 103,123.54 is: 142,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,695.86 : 253,500.14 = 103,123.54 : x
  2. Step 2: Convert to fraction form
    183,695.86/253,500.14 = 103,123.54/x
  3. Step 3: Cross multiply
    183,695.86x = 253,500.14 × 103,123.54
  4. Step 4: Simplify right side
    183,695.86x = 26,141,831,827.30
  5. Step 5: Solve for x
    x = 26,141,831,827.30/183,695.86
  6. Step 6: Final answer
    x = 142,310.40

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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.