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Finding the Fourth Proportional to 153,595.28, 230,358.36 and 55,099.28

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Solution

The fourth proportional to 153,595.28, 230,358.36 and 55,099.28 is: 82,636.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,595.28 : 230,358.36 = 55,099.28 : x
  2. Step 2: Convert to fraction form
    153,595.28/230,358.36 = 55,099.28/x
  3. Step 3: Cross multiply
    153,595.28x = 230,358.36 × 55,099.28
  4. Step 4: Simplify right side
    153,595.28x = 12,692,579,777.98
  5. Step 5: Solve for x
    x = 12,692,579,777.98/153,595.28
  6. Step 6: Final answer
    x = 82,636.52

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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.