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Finding the Fourth Proportional to 117,235.40, 175,852.50 and 28,489.16

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Solution

The fourth proportional to 117,235.40, 175,852.50 and 28,489.16 is: 42,733.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,235.40 : 175,852.50 = 28,489.16 : x
  2. Step 2: Convert to fraction form
    117,235.40/175,852.50 = 28,489.16/x
  3. Step 3: Cross multiply
    117,235.40x = 175,852.50 × 28,489.16
  4. Step 4: Simplify right side
    117,235.40x = 5,009,889,129.64
  5. Step 5: Solve for x
    x = 5,009,889,129.64/117,235.40
  6. Step 6: Final answer
    x = 42,733.59

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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.