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Finding the Fourth Proportional to 120,637.50, 180,984.04 and 41,751.72

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Solution

The fourth proportional to 120,637.50, 180,984.04 and 41,751.72 is: 62,637.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,637.50 : 180,984.04 = 41,751.72 : x
  2. Step 2: Convert to fraction form
    120,637.50/180,984.04 = 41,751.72/x
  3. Step 3: Cross multiply
    120,637.50x = 180,984.04 × 41,751.72
  4. Step 4: Simplify right side
    120,637.50x = 7,556,395,602.04
  5. Step 5: Solve for x
    x = 7,556,395,602.04/120,637.50
  6. Step 6: Final answer
    x = 62,637.21

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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.