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Finding the Fourth Proportional to 124,497.80, 186,746.70 and 96,504.20

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Solution

The fourth proportional to 124,497.80, 186,746.70 and 96,504.20 is: 144,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,497.80 : 186,746.70 = 96,504.20 : x
  2. Step 2: Convert to fraction form
    124,497.80/186,746.70 = 96,504.20/x
  3. Step 3: Cross multiply
    124,497.80x = 186,746.70 × 96,504.20
  4. Step 4: Simplify right side
    124,497.80x = 18,021,840,886.14
  5. Step 5: Solve for x
    x = 18,021,840,886.14/124,497.80
  6. Step 6: Final answer
    x = 144,756.30

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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.