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Finding the Fourth Proportional to 117,392.15, 175,972.50 and 75,152.07

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Solution

The fourth proportional to 117,392.15, 175,972.50 and 75,152.07 is: 112,654.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,392.15 : 175,972.50 = 75,152.07 : x
  2. Step 2: Convert to fraction form
    117,392.15/175,972.50 = 75,152.07/x
  3. Step 3: Cross multiply
    117,392.15x = 175,972.50 × 75,152.07
  4. Step 4: Simplify right side
    117,392.15x = 13,224,697,638.08
  5. Step 5: Solve for x
    x = 13,224,697,638.08/117,392.15
  6. Step 6: Final answer
    x = 112,654.02

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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.