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Finding the Fourth Proportional to 79,893.60, 110,253.20 and 45,904.32

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Solution

The fourth proportional to 79,893.60, 110,253.20 and 45,904.32 is: 63,347.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,893.60 : 110,253.20 = 45,904.32 : x
  2. Step 2: Convert to fraction form
    79,893.60/110,253.20 = 45,904.32/x
  3. Step 3: Cross multiply
    79,893.60x = 110,253.20 × 45,904.32
  4. Step 4: Simplify right side
    79,893.60x = 5,061,098,173.82
  5. Step 5: Solve for x
    x = 5,061,098,173.82/79,893.60
  6. Step 6: Final answer
    x = 63,347.98

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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.