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Finding the Fourth Proportional to 117,980.36, 176,928.85 and 38,015.13

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Solution

The fourth proportional to 117,980.36, 176,928.85 and 38,015.13 is: 57,009.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,980.36 : 176,928.85 = 38,015.13 : x
  2. Step 2: Convert to fraction form
    117,980.36/176,928.85 = 38,015.13/x
  3. Step 3: Cross multiply
    117,980.36x = 176,928.85 × 38,015.13
  4. Step 4: Simplify right side
    117,980.36x = 6,725,973,233.50
  5. Step 5: Solve for x
    x = 6,725,973,233.50/117,980.36
  6. Step 6: Final answer
    x = 57,009.26

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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.