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Finding the Fourth Proportional to 130,304.52, 195,457.56 and 36,811.08

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Solution

The fourth proportional to 130,304.52, 195,457.56 and 36,811.08 is: 55,216.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,304.52 : 195,457.56 = 36,811.08 : x
  2. Step 2: Convert to fraction form
    130,304.52/195,457.56 = 36,811.08/x
  3. Step 3: Cross multiply
    130,304.52x = 195,457.56 × 36,811.08
  4. Step 4: Simplify right side
    130,304.52x = 7,195,003,877.76
  5. Step 5: Solve for x
    x = 7,195,003,877.76/130,304.52
  6. Step 6: Final answer
    x = 55,216.84

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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.