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Finding the Fourth Proportional to 117,116.58, 175,707.54 and 38,235.54

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Solution

The fourth proportional to 117,116.58, 175,707.54 and 38,235.54 is: 57,363.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,116.58 : 175,707.54 = 38,235.54 : x
  2. Step 2: Convert to fraction form
    117,116.58/175,707.54 = 38,235.54/x
  3. Step 3: Cross multiply
    117,116.58x = 175,707.54 × 38,235.54
  4. Step 4: Simplify right side
    117,116.58x = 6,718,272,673.97
  5. Step 5: Solve for x
    x = 6,718,272,673.97/117,116.58
  6. Step 6: Final answer
    x = 57,363.98

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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.