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Finding the Fourth Proportional to 113,473.63, 156,592.29 and 62,485.30

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Solution

The fourth proportional to 113,473.63, 156,592.29 and 62,485.30 is: 86,228.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,473.63 : 156,592.29 = 62,485.30 : x
  2. Step 2: Convert to fraction form
    113,473.63/156,592.29 = 62,485.30/x
  3. Step 3: Cross multiply
    113,473.63x = 156,592.29 × 62,485.30
  4. Step 4: Simplify right side
    113,473.63x = 9,784,716,218.34
  5. Step 5: Solve for x
    x = 9,784,716,218.34/113,473.63
  6. Step 6: Final answer
    x = 86,228.99

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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.