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Finding the Fourth Proportional to 236,188.64, 354,345.84 and 103,079.52

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Solution

The fourth proportional to 236,188.64, 354,345.84 and 103,079.52 is: 154,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,188.64 : 354,345.84 = 103,079.52 : x
  2. Step 2: Convert to fraction form
    236,188.64/354,345.84 = 103,079.52/x
  3. Step 3: Cross multiply
    236,188.64x = 354,345.84 × 103,079.52
  4. Step 4: Simplify right side
    236,188.64x = 36,525,799,101.20
  5. Step 5: Solve for x
    x = 36,525,799,101.20/236,188.64
  6. Step 6: Final answer
    x = 154,646.72

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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.