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Finding the Fourth Proportional to 175,756.70, 242,548.69 and 107,811.14

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Solution

The fourth proportional to 175,756.70, 242,548.69 and 107,811.14 is: 148,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,756.70 : 242,548.69 = 107,811.14 : x
  2. Step 2: Convert to fraction form
    175,756.70/242,548.69 = 107,811.14/x
  3. Step 3: Cross multiply
    175,756.70x = 242,548.69 × 107,811.14
  4. Step 4: Simplify right side
    175,756.70x = 26,149,450,774.41
  5. Step 5: Solve for x
    x = 26,149,450,774.41/175,756.70
  6. Step 6: Final answer
    x = 148,782.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.