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Finding the Fourth Proportional to 181,818.56, 272,636.58 and 105,941.64

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Solution

The fourth proportional to 181,818.56, 272,636.58 and 105,941.64 is: 158,859.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,818.56 : 272,636.58 = 105,941.64 : x
  2. Step 2: Convert to fraction form
    181,818.56/272,636.58 = 105,941.64/x
  3. Step 3: Cross multiply
    181,818.56x = 272,636.58 × 105,941.64
  4. Step 4: Simplify right side
    181,818.56x = 28,883,566,409.19
  5. Step 5: Solve for x
    x = 28,883,566,409.19/181,818.56
  6. Step 6: Final answer
    x = 158,859.28

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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.