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Finding the Fourth Proportional to 114,298.92, 157,695.84 and 74,043.54

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Solution

The fourth proportional to 114,298.92, 157,695.84 and 74,043.54 is: 102,156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,298.92 : 157,695.84 = 74,043.54 : x
  2. Step 2: Convert to fraction form
    114,298.92/157,695.84 = 74,043.54/x
  3. Step 3: Cross multiply
    114,298.92x = 157,695.84 × 74,043.54
  4. Step 4: Simplify right side
    114,298.92x = 11,676,358,236.87
  5. Step 5: Solve for x
    x = 11,676,358,236.87/114,298.92
  6. Step 6: Final answer
    x = 102,156.33

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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.