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Finding the Fourth Proportional to 111,800.52, 154,262.34 and 64,068.84

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Solution

The fourth proportional to 111,800.52, 154,262.34 and 64,068.84 is: 88,402.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,800.52 : 154,262.34 = 64,068.84 : x
  2. Step 2: Convert to fraction form
    111,800.52/154,262.34 = 64,068.84/x
  3. Step 3: Cross multiply
    111,800.52x = 154,262.34 × 64,068.84
  4. Step 4: Simplify right side
    111,800.52x = 9,883,409,179.49
  5. Step 5: Solve for x
    x = 9,883,409,179.49/111,800.52
  6. Step 6: Final answer
    x = 88,402.18

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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.