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Finding the Fourth Proportional to 175,094.84, 262,221.40 and 99,987.59

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Solution

The fourth proportional to 175,094.84, 262,221.40 and 99,987.59 is: 149,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,094.84 : 262,221.40 = 99,987.59 : x
  2. Step 2: Convert to fraction form
    175,094.84/262,221.40 = 99,987.59/x
  3. Step 3: Cross multiply
    175,094.84x = 262,221.40 × 99,987.59
  4. Step 4: Simplify right side
    175,094.84x = 26,218,885,832.43
  5. Step 5: Solve for x
    x = 26,218,885,832.43/175,094.84
  6. Step 6: Final answer
    x = 149,741.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.