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Finding the Fourth Proportional to 153,922.76, 230,918.76 and 54,089.85

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Solution

The fourth proportional to 153,922.76, 230,918.76 and 54,089.85 is: 81,146.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,922.76 : 230,918.76 = 54,089.85 : x
  2. Step 2: Convert to fraction form
    153,922.76/230,918.76 = 54,089.85/x
  3. Step 3: Cross multiply
    153,922.76x = 230,918.76 × 54,089.85
  4. Step 4: Simplify right side
    153,922.76x = 12,490,361,090.59
  5. Step 5: Solve for x
    x = 12,490,361,090.59/153,922.76
  6. Step 6: Final answer
    x = 81,146.94

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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.