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Finding the Fourth Proportional to 113,063.68, 156,036 and 62,762.32

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Solution

The fourth proportional to 113,063.68, 156,036 and 62,762.32 is: 86,616.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,063.68 : 156,036 = 62,762.32 : x
  2. Step 2: Convert to fraction form
    113,063.68/156,036 = 62,762.32/x
  3. Step 3: Cross multiply
    113,063.68x = 156,036 × 62,762.32
  4. Step 4: Simplify right side
    113,063.68x = 9,793,181,363.52
  5. Step 5: Solve for x
    x = 9,793,181,363.52/113,063.68
  6. Step 6: Final answer
    x = 86,616.51

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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.