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Finding the Fourth Proportional to 104,283, 156,030.84 and 64,654.56

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Solution

The fourth proportional to 104,283, 156,030.84 and 64,654.56 is: 96,737.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,283 : 156,030.84 = 64,654.56 : x
  2. Step 2: Convert to fraction form
    104,283/156,030.84 = 64,654.56/x
  3. Step 3: Cross multiply
    104,283x = 156,030.84 × 64,654.56
  4. Step 4: Simplify right side
    104,283x = 10,088,105,306.63
  5. Step 5: Solve for x
    x = 10,088,105,306.63/104,283
  6. Step 6: Final answer
    x = 96,737.77

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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.