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Finding the Fourth Proportional to 529,168.32, 793,754.64 and 129,811.68

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Solution

The fourth proportional to 529,168.32, 793,754.64 and 129,811.68 is: 194,718.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,168.32 : 793,754.64 = 129,811.68 : x
  2. Step 2: Convert to fraction form
    529,168.32/793,754.64 = 129,811.68/x
  3. Step 3: Cross multiply
    529,168.32x = 793,754.64 × 129,811.68
  4. Step 4: Simplify right side
    529,168.32x = 103,038,623,326.20
  5. Step 5: Solve for x
    x = 103,038,623,326.20/529,168.32
  6. Step 6: Final answer
    x = 194,718.05

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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.