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Finding the Fourth Proportional to 111,215.94, 152,980.26 and 97,536.66

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Solution

The fourth proportional to 111,215.94, 152,980.26 and 97,536.66 is: 134,164.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,215.94 : 152,980.26 = 97,536.66 : x
  2. Step 2: Convert to fraction form
    111,215.94/152,980.26 = 97,536.66/x
  3. Step 3: Cross multiply
    111,215.94x = 152,980.26 × 97,536.66
  4. Step 4: Simplify right side
    111,215.94x = 14,921,183,606.33
  5. Step 5: Solve for x
    x = 14,921,183,606.33/111,215.94
  6. Step 6: Final answer
    x = 134,164.07

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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.