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Finding the Fourth Proportional to 160,419.33, 240,618.11 and 55,312.11

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Solution

The fourth proportional to 160,419.33, 240,618.11 and 55,312.11 is: 82,964.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,419.33 : 240,618.11 = 55,312.11 : x
  2. Step 2: Convert to fraction form
    160,419.33/240,618.11 = 55,312.11/x
  3. Step 3: Cross multiply
    160,419.33x = 240,618.11 × 55,312.11
  4. Step 4: Simplify right side
    160,419.33x = 13,309,095,091.75
  5. Step 5: Solve for x
    x = 13,309,095,091.75/160,419.33
  6. Step 6: Final answer
    x = 82,964.41

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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.