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Finding the Fourth Proportional to 176,800.48, 243,874.48 and 107,858.44

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Solution

The fourth proportional to 176,800.48, 243,874.48 and 107,858.44 is: 148,777.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,800.48 : 243,874.48 = 107,858.44 : x
  2. Step 2: Convert to fraction form
    176,800.48/243,874.48 = 107,858.44/x
  3. Step 3: Cross multiply
    176,800.48x = 243,874.48 × 107,858.44
  4. Step 4: Simplify right side
    176,800.48x = 26,303,920,968.61
  5. Step 5: Solve for x
    x = 26,303,920,968.61/176,800.48
  6. Step 6: Final answer
    x = 148,777.43

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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.