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Finding the Fourth Proportional to 175,071.19, 262,584.90 and 48,720.91

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Solution

The fourth proportional to 175,071.19, 262,584.90 and 48,720.91 is: 73,075.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,071.19 : 262,584.90 = 48,720.91 : x
  2. Step 2: Convert to fraction form
    175,071.19/262,584.90 = 48,720.91/x
  3. Step 3: Cross multiply
    175,071.19x = 262,584.90 × 48,720.91
  4. Step 4: Simplify right side
    175,071.19x = 12,793,375,280.26
  5. Step 5: Solve for x
    x = 12,793,375,280.26/175,071.19
  6. Step 6: Final answer
    x = 73,075.27

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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.