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Finding the Fourth Proportional to 114,860.52, 172,290.78 and 35,980.88

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Solution

The fourth proportional to 114,860.52, 172,290.78 and 35,980.88 is: 53,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,860.52 : 172,290.78 = 35,980.88 : x
  2. Step 2: Convert to fraction form
    114,860.52/172,290.78 = 35,980.88/x
  3. Step 3: Cross multiply
    114,860.52x = 172,290.78 × 35,980.88
  4. Step 4: Simplify right side
    114,860.52x = 6,199,173,018.83
  5. Step 5: Solve for x
    x = 6,199,173,018.83/114,860.52
  6. Step 6: Final answer
    x = 53,971.31

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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.