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Finding the Fourth Proportional to 113,485.94, 156,604.92 and 62,503.07

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Solution

The fourth proportional to 113,485.94, 156,604.92 and 62,503.07 is: 86,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,485.94 : 156,604.92 = 62,503.07 : x
  2. Step 2: Convert to fraction form
    113,485.94/156,604.92 = 62,503.07/x
  3. Step 3: Cross multiply
    113,485.94x = 156,604.92 × 62,503.07
  4. Step 4: Simplify right side
    113,485.94x = 9,788,288,277.10
  5. Step 5: Solve for x
    x = 9,788,288,277.10/113,485.94
  6. Step 6: Final answer
    x = 86,251.11

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1.5x scale

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.