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Finding the Fourth Proportional to 97,125.60, 145,659.60 and 37,927.20

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Solution

The fourth proportional to 97,125.60, 145,659.60 and 37,927.20 is: 56,879.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,125.60 : 145,659.60 = 37,927.20 : x
  2. Step 2: Convert to fraction form
    97,125.60/145,659.60 = 37,927.20/x
  3. Step 3: Cross multiply
    97,125.60x = 145,659.60 × 37,927.20
  4. Step 4: Simplify right side
    97,125.60x = 5,524,460,781.12
  5. Step 5: Solve for x
    x = 5,524,460,781.12/97,125.60
  6. Step 6: Final answer
    x = 56,879.55

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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.