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Finding the Fourth Proportional to 130,573.92, 195,860.52 and 37,079.76

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Solution

The fourth proportional to 130,573.92, 195,860.52 and 37,079.76 is: 55,619.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,573.92 : 195,860.52 = 37,079.76 : x
  2. Step 2: Convert to fraction form
    130,573.92/195,860.52 = 37,079.76/x
  3. Step 3: Cross multiply
    130,573.92x = 195,860.52 × 37,079.76
  4. Step 4: Simplify right side
    130,573.92x = 7,262,461,075.08
  5. Step 5: Solve for x
    x = 7,262,461,075.08/130,573.92
  6. Step 6: Final answer
    x = 55,619.54

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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.