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Finding the Fourth Proportional to 97,080.51, 145,639.13 and 37,912.44

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Solution

The fourth proportional to 97,080.51, 145,639.13 and 37,912.44 is: 56,875.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,080.51 : 145,639.13 = 37,912.44 : x
  2. Step 2: Convert to fraction form
    97,080.51/145,639.13 = 37,912.44/x
  3. Step 3: Cross multiply
    97,080.51x = 145,639.13 × 37,912.44
  4. Step 4: Simplify right side
    97,080.51x = 5,521,534,777.78
  5. Step 5: Solve for x
    x = 5,521,534,777.78/97,080.51
  6. Step 6: Final answer
    x = 56,875.83

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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.