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Finding the Fourth Proportional to 106,446.42, 159,669.63 and 43,300.92

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Solution

The fourth proportional to 106,446.42, 159,669.63 and 43,300.92 is: 64,951.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,446.42 : 159,669.63 = 43,300.92 : x
  2. Step 2: Convert to fraction form
    106,446.42/159,669.63 = 43,300.92/x
  3. Step 3: Cross multiply
    106,446.42x = 159,669.63 × 43,300.92
  4. Step 4: Simplify right side
    106,446.42x = 6,913,841,875.06
  5. Step 5: Solve for x
    x = 6,913,841,875.06/106,446.42
  6. Step 6: Final answer
    x = 64,951.38

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1.5x scale

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.