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Finding the Fourth Proportional to 124,407.48, 186,583.68 and 35,660.64

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Solution

The fourth proportional to 124,407.48, 186,583.68 and 35,660.64 is: 53,483.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,407.48 : 186,583.68 = 35,660.64 : x
  2. Step 2: Convert to fraction form
    124,407.48/186,583.68 = 35,660.64/x
  3. Step 3: Cross multiply
    124,407.48x = 186,583.68 × 35,660.64
  4. Step 4: Simplify right side
    124,407.48x = 6,653,693,442.36
  5. Step 5: Solve for x
    x = 6,653,693,442.36/124,407.48
  6. Step 6: Final answer
    x = 53,483.07

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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.