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Finding the Fourth Proportional to 124,442.68, 186,646.56 and 35,703.76

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Solution

The fourth proportional to 124,442.68, 186,646.56 and 35,703.76 is: 53,550.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,442.68 : 186,646.56 = 35,703.76 : x
  2. Step 2: Convert to fraction form
    124,442.68/186,646.56 = 35,703.76/x
  3. Step 3: Cross multiply
    124,442.68x = 186,646.56 × 35,703.76
  4. Step 4: Simplify right side
    124,442.68x = 6,663,983,983.07
  5. Step 5: Solve for x
    x = 6,663,983,983.07/124,442.68
  6. Step 6: Final answer
    x = 53,550.63

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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.