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Finding the Fourth Proportional to 117,281.40, 175,922.04 and 28,534.92

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Solution

The fourth proportional to 117,281.40, 175,922.04 and 28,534.92 is: 42,802.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,281.40 : 175,922.04 = 28,534.92 : x
  2. Step 2: Convert to fraction form
    117,281.40/175,922.04 = 28,534.92/x
  3. Step 3: Cross multiply
    117,281.40x = 175,922.04 × 28,534.92
  4. Step 4: Simplify right side
    117,281.40x = 5,019,921,337.64
  5. Step 5: Solve for x
    x = 5,019,921,337.64/117,281.40
  6. Step 6: Final answer
    x = 42,802.37

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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.