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Finding the Fourth Proportional to 246,307.92, 369,459.72 and 77,828.28

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Solution

The fourth proportional to 246,307.92, 369,459.72 and 77,828.28 is: 116,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,307.92 : 369,459.72 = 77,828.28 : x
  2. Step 2: Convert to fraction form
    246,307.92/369,459.72 = 77,828.28/x
  3. Step 3: Cross multiply
    246,307.92x = 369,459.72 × 77,828.28
  4. Step 4: Simplify right side
    246,307.92x = 28,754,414,536.88
  5. Step 5: Solve for x
    x = 28,754,414,536.88/246,307.92
  6. Step 6: Final answer
    x = 116,741.74

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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.