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Finding the Fourth Proportional to 116,782.52, 175,173.78 and 28,036.03

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Solution

The fourth proportional to 116,782.52, 175,173.78 and 28,036.03 is: 42,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,782.52 : 175,173.78 = 28,036.03 : x
  2. Step 2: Convert to fraction form
    116,782.52/175,173.78 = 28,036.03/x
  3. Step 3: Cross multiply
    116,782.52x = 175,173.78 × 28,036.03
  4. Step 4: Simplify right side
    116,782.52x = 4,911,176,475.42
  5. Step 5: Solve for x
    x = 4,911,176,475.42/116,782.52
  6. Step 6: Final answer
    x = 42,054.04

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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.