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Finding the Fourth Proportional to 79,602.86, 109,852.85 and 45,610.67

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Solution

The fourth proportional to 79,602.86, 109,852.85 and 45,610.67 is: 62,943.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,602.86 : 109,852.85 = 45,610.67 : x
  2. Step 2: Convert to fraction form
    79,602.86/109,852.85 = 45,610.67/x
  3. Step 3: Cross multiply
    79,602.86x = 109,852.85 × 45,610.67
  4. Step 4: Simplify right side
    79,602.86x = 5,010,461,654.67
  5. Step 5: Solve for x
    x = 5,010,461,654.67/79,602.86
  6. Step 6: Final answer
    x = 62,943.24

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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.