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Finding the Fourth Proportional to 153,595.78, 230,359.11 and 55,099.78

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Solution

The fourth proportional to 153,595.78, 230,359.11 and 55,099.78 is: 82,637.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,595.78 : 230,359.11 = 55,099.78 : x
  2. Step 2: Convert to fraction form
    153,595.78/230,359.11 = 55,099.78/x
  3. Step 3: Cross multiply
    153,595.78x = 230,359.11 × 55,099.78
  4. Step 4: Simplify right side
    153,595.78x = 12,692,736,282.00
  5. Step 5: Solve for x
    x = 12,692,736,282.00/153,595.78
  6. Step 6: Final answer
    x = 82,637.27

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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.