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Finding the Fourth Proportional to 226,875.96, 340,350.84 and 77,129.64

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Solution

The fourth proportional to 226,875.96, 340,350.84 and 77,129.64 is: 115,707.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,875.96 : 340,350.84 = 77,129.64 : x
  2. Step 2: Convert to fraction form
    226,875.96/340,350.84 = 77,129.64/x
  3. Step 3: Cross multiply
    226,875.96x = 340,350.84 × 77,129.64
  4. Step 4: Simplify right side
    226,875.96x = 26,251,137,762.90
  5. Step 5: Solve for x
    x = 26,251,137,762.90/226,875.96
  6. Step 6: Final answer
    x = 115,707.00

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1.5x scale

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.