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Finding the Fourth Proportional to 357,478.86, 536,292.16 and 104,767.64

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Solution

The fourth proportional to 357,478.86, 536,292.16 and 104,767.64 is: 157,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,478.86 : 536,292.16 = 104,767.64 : x
  2. Step 2: Convert to fraction form
    357,478.86/536,292.16 = 104,767.64/x
  3. Step 3: Cross multiply
    357,478.86x = 536,292.16 × 104,767.64
  4. Step 4: Simplify right side
    357,478.86x = 56,186,063,021.42
  5. Step 5: Solve for x
    x = 56,186,063,021.42/357,478.86
  6. Step 6: Final answer
    x = 157,173.11

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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.