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Finding the Fourth Proportional to 79,693.96, 109,953.30 and 46,153.48

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Solution

The fourth proportional to 79,693.96, 109,953.30 and 46,153.48 is: 63,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,693.96 : 109,953.30 = 46,153.48 : x
  2. Step 2: Convert to fraction form
    79,693.96/109,953.30 = 46,153.48/x
  3. Step 3: Cross multiply
    79,693.96x = 109,953.30 × 46,153.48
  4. Step 4: Simplify right side
    79,693.96x = 5,074,727,432.48
  5. Step 5: Solve for x
    x = 5,074,727,432.48/79,693.96
  6. Step 6: Final answer
    x = 63,677.69

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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.