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Finding the Fourth Proportional to 110,935.46, 153,066.84 and 65,615.96

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Solution

The fourth proportional to 110,935.46, 153,066.84 and 65,615.96 is: 90,535.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,935.46 : 153,066.84 = 65,615.96 : x
  2. Step 2: Convert to fraction form
    110,935.46/153,066.84 = 65,615.96/x
  3. Step 3: Cross multiply
    110,935.46x = 153,066.84 × 65,615.96
  4. Step 4: Simplify right side
    110,935.46x = 10,043,627,650.77
  5. Step 5: Solve for x
    x = 10,043,627,650.77/110,935.46
  6. Step 6: Final answer
    x = 90,535.77

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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.