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Finding the Fourth Proportional to 147,633.76, 203,904.57 and 107,526.88

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Solution

The fourth proportional to 147,633.76, 203,904.57 and 107,526.88 is: 148,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,633.76 : 203,904.57 = 107,526.88 : x
  2. Step 2: Convert to fraction form
    147,633.76/203,904.57 = 107,526.88/x
  3. Step 3: Cross multiply
    147,633.76x = 203,904.57 × 107,526.88
  4. Step 4: Simplify right side
    147,633.76x = 21,925,222,229.84
  5. Step 5: Solve for x
    x = 21,925,222,229.84/147,633.76
  6. Step 6: Final answer
    x = 148,510.90

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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.