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Finding the Fourth Proportional to 242,449.01, 334,555.68 and 135,029.04

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Solution

The fourth proportional to 242,449.01, 334,555.68 and 135,029.04 is: 186,326.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,449.01 : 334,555.68 = 135,029.04 : x
  2. Step 2: Convert to fraction form
    242,449.01/334,555.68 = 135,029.04/x
  3. Step 3: Cross multiply
    242,449.01x = 334,555.68 × 135,029.04
  4. Step 4: Simplify right side
    242,449.01x = 45,174,733,430.60
  5. Step 5: Solve for x
    x = 45,174,733,430.60/242,449.01
  6. Step 6: Final answer
    x = 186,326.74

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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.