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Finding the Fourth Proportional to 124,602, 186,597.63 and 112,620.48

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Solution

The fourth proportional to 124,602, 186,597.63 and 112,620.48 is: 168,654.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,602 : 186,597.63 = 112,620.48 : x
  2. Step 2: Convert to fraction form
    124,602/186,597.63 = 112,620.48/x
  3. Step 3: Cross multiply
    124,602x = 186,597.63 × 112,620.48
  4. Step 4: Simplify right side
    124,602x = 21,014,714,657.46
  5. Step 5: Solve for x
    x = 21,014,714,657.46/124,602
  6. Step 6: Final answer
    x = 168,654.71

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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.