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Finding the Fourth Proportional to 181,810.40, 272,877.60 and 106,836.80

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Solution

The fourth proportional to 181,810.40, 272,877.60 and 106,836.80 is: 160,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,810.40 : 272,877.60 = 106,836.80 : x
  2. Step 2: Convert to fraction form
    181,810.40/272,877.60 = 106,836.80/x
  3. Step 3: Cross multiply
    181,810.40x = 272,877.60 × 106,836.80
  4. Step 4: Simplify right side
    181,810.40x = 29,153,369,575.68
  5. Step 5: Solve for x
    x = 29,153,369,575.68/181,810.40
  6. Step 6: Final answer
    x = 160,350.40

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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.