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Finding the Fourth Proportional to 176,208.44, 243,165.03 and 99,742.03

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Solution

The fourth proportional to 176,208.44, 243,165.03 and 99,742.03 is: 137,642.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,208.44 : 243,165.03 = 99,742.03 : x
  2. Step 2: Convert to fraction form
    176,208.44/243,165.03 = 99,742.03/x
  3. Step 3: Cross multiply
    176,208.44x = 243,165.03 × 99,742.03
  4. Step 4: Simplify right side
    176,208.44x = 24,253,773,109.30
  5. Step 5: Solve for x
    x = 24,253,773,109.30/176,208.44
  6. Step 6: Final answer
    x = 137,642.52

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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.