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Finding the Fourth Proportional to 79,602.45, 109,852.29 and 45,610.25

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Solution

The fourth proportional to 79,602.45, 109,852.29 and 45,610.25 is: 62,942.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,602.45 : 109,852.29 = 45,610.25 : x
  2. Step 2: Convert to fraction form
    79,602.45/109,852.29 = 45,610.25/x
  3. Step 3: Cross multiply
    79,602.45x = 109,852.29 × 45,610.25
  4. Step 4: Simplify right side
    79,602.45x = 5,010,390,409.97
  5. Step 5: Solve for x
    x = 5,010,390,409.97/79,602.45
  6. Step 6: Final answer
    x = 62,942.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.