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Finding the Fourth Proportional to 168,643.86, 232,719.37 and 93,187.50

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Solution

The fourth proportional to 168,643.86, 232,719.37 and 93,187.50 is: 128,593.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,643.86 : 232,719.37 = 93,187.50 : x
  2. Step 2: Convert to fraction form
    168,643.86/232,719.37 = 93,187.50/x
  3. Step 3: Cross multiply
    168,643.86x = 232,719.37 × 93,187.50
  4. Step 4: Simplify right side
    168,643.86x = 21,686,536,291.88
  5. Step 5: Solve for x
    x = 21,686,536,291.88/168,643.86
  6. Step 6: Final answer
    x = 128,593.69

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1.5x scale

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.