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Finding the Fourth Proportional to 153,854.76, 230,885.21 and 54,015.24

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Solution

The fourth proportional to 153,854.76, 230,885.21 and 54,015.24 is: 81,059.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,854.76 : 230,885.21 = 54,015.24 : x
  2. Step 2: Convert to fraction form
    153,854.76/230,885.21 = 54,015.24/x
  3. Step 3: Cross multiply
    153,854.76x = 230,885.21 × 54,015.24
  4. Step 4: Simplify right side
    153,854.76x = 12,471,320,030.60
  5. Step 5: Solve for x
    x = 12,471,320,030.60/153,854.76
  6. Step 6: Final answer
    x = 81,059.05

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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.