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Finding the Fourth Proportional to 114,860.50, 172,290.76 and 35,980.88

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Solution

The fourth proportional to 114,860.50, 172,290.76 and 35,980.88 is: 53,971.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,860.50 : 172,290.76 = 35,980.88 : x
  2. Step 2: Convert to fraction form
    114,860.50/172,290.76 = 35,980.88/x
  3. Step 3: Cross multiply
    114,860.50x = 172,290.76 × 35,980.88
  4. Step 4: Simplify right side
    114,860.50x = 6,199,172,209.26
  5. Step 5: Solve for x
    x = 6,199,172,209.26/114,860.50
  6. Step 6: Final answer
    x = 53,971.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.