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Finding the Fourth Proportional to 111,093.86, 153,305.70 and 63,362.58

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Solution

The fourth proportional to 111,093.86, 153,305.70 and 63,362.58 is: 87,438.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,093.86 : 153,305.70 = 63,362.58 : x
  2. Step 2: Convert to fraction form
    111,093.86/153,305.70 = 63,362.58/x
  3. Step 3: Cross multiply
    111,093.86x = 153,305.70 × 63,362.58
  4. Step 4: Simplify right side
    111,093.86x = 9,713,844,680.71
  5. Step 5: Solve for x
    x = 9,713,844,680.71/111,093.86
  6. Step 6: Final answer
    x = 87,438.18

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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.