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Finding the Fourth Proportional to 175,751.72, 242,561.51 and 107,756.67

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Solution

The fourth proportional to 175,751.72, 242,561.51 and 107,756.67 is: 148,719.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,751.72 : 242,561.51 = 107,756.67 : x
  2. Step 2: Convert to fraction form
    175,751.72/242,561.51 = 107,756.67/x
  3. Step 3: Cross multiply
    175,751.72x = 242,561.51 × 107,756.67
  4. Step 4: Simplify right side
    175,751.72x = 26,137,620,857.16
  5. Step 5: Solve for x
    x = 26,137,620,857.16/175,751.72
  6. Step 6: Final answer
    x = 148,719.01

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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.