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Finding the Fourth Proportional to 236,497.68, 326,367.72 and 129,070.13

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Solution

The fourth proportional to 236,497.68, 326,367.72 and 129,070.13 is: 178,117.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,497.68 : 326,367.72 = 129,070.13 : x
  2. Step 2: Convert to fraction form
    236,497.68/326,367.72 = 129,070.13/x
  3. Step 3: Cross multiply
    236,497.68x = 326,367.72 × 129,070.13
  4. Step 4: Simplify right side
    236,497.68x = 42,124,322,416.37
  5. Step 5: Solve for x
    x = 42,124,322,416.37/236,497.68
  6. Step 6: Final answer
    x = 178,117.28

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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.