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Finding the Fourth Proportional to 243,300.21, 364,950.15 and 177,161.07

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Solution

The fourth proportional to 243,300.21, 364,950.15 and 177,161.07 is: 265,741.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,300.21 : 364,950.15 = 177,161.07 : x
  2. Step 2: Convert to fraction form
    243,300.21/364,950.15 = 177,161.07/x
  3. Step 3: Cross multiply
    243,300.21x = 364,950.15 × 177,161.07
  4. Step 4: Simplify right side
    243,300.21x = 64,654,959,070.66
  5. Step 5: Solve for x
    x = 64,654,959,070.66/243,300.21
  6. Step 6: Final answer
    x = 265,741.48

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1.5x scale

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.