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Finding the Fourth Proportional to 110,419.68, 152,226.04 and 74,552.88

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Solution

The fourth proportional to 110,419.68, 152,226.04 and 74,552.88 is: 102,779.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,419.68 : 152,226.04 = 74,552.88 : x
  2. Step 2: Convert to fraction form
    110,419.68/152,226.04 = 74,552.88/x
  3. Step 3: Cross multiply
    110,419.68x = 152,226.04 × 74,552.88
  4. Step 4: Simplify right side
    110,419.68x = 11,348,889,693.00
  5. Step 5: Solve for x
    x = 11,348,889,693.00/110,419.68
  6. Step 6: Final answer
    x = 102,779.59

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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.