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Finding the Fourth Proportional to 248,495.76, 342,928.20 and 141,068.88

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Solution

The fourth proportional to 248,495.76, 342,928.20 and 141,068.88 is: 194,677.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,495.76 : 342,928.20 = 141,068.88 : x
  2. Step 2: Convert to fraction form
    248,495.76/342,928.20 = 141,068.88/x
  3. Step 3: Cross multiply
    248,495.76x = 342,928.20 × 141,068.88
  4. Step 4: Simplify right side
    248,495.76x = 48,376,497,094.42
  5. Step 5: Solve for x
    x = 48,376,497,094.42/248,495.76
  6. Step 6: Final answer
    x = 194,677.35

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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.