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Finding the Fourth Proportional to 248,349.13, 342,729.14 and 175,881.67

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Solution

The fourth proportional to 248,349.13, 342,729.14 and 175,881.67 is: 242,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,349.13 : 342,729.14 = 175,881.67 : x
  2. Step 2: Convert to fraction form
    248,349.13/342,729.14 = 175,881.67/x
  3. Step 3: Cross multiply
    248,349.13x = 342,729.14 × 175,881.67
  4. Step 4: Simplify right side
    248,349.13x = 60,279,773,500.86
  5. Step 5: Solve for x
    x = 60,279,773,500.86/248,349.13
  6. Step 6: Final answer
    x = 242,721.90

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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.