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Finding the Fourth Proportional to 117,098.51, 175,675.71 and 38,212.88

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Solution

The fourth proportional to 117,098.51, 175,675.71 and 38,212.88 is: 57,328.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,098.51 : 175,675.71 = 38,212.88 : x
  2. Step 2: Convert to fraction form
    117,098.51/175,675.71 = 38,212.88/x
  3. Step 3: Cross multiply
    117,098.51x = 175,675.71 × 38,212.88
  4. Step 4: Simplify right side
    117,098.51x = 6,713,074,825.14
  5. Step 5: Solve for x
    x = 6,713,074,825.14/117,098.51
  6. Step 6: Final answer
    x = 57,328.44

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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.