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Finding the Fourth Proportional to 473,170.50, 709,751.79 and 118,182.12

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Solution

The fourth proportional to 473,170.50, 709,751.79 and 118,182.12 is: 177,272.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,170.50 : 709,751.79 = 118,182.12 : x
  2. Step 2: Convert to fraction form
    473,170.50/709,751.79 = 118,182.12/x
  3. Step 3: Cross multiply
    473,170.50x = 709,751.79 × 118,182.12
  4. Step 4: Simplify right side
    473,170.50x = 83,879,971,215.99
  5. Step 5: Solve for x
    x = 83,879,971,215.99/473,170.50
  6. Step 6: Final answer
    x = 177,272.19

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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.