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Finding the Fourth Proportional to 363,320.35, 545,030.76 and 97,089.55

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Solution

The fourth proportional to 363,320.35, 545,030.76 and 97,089.55 is: 145,647.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,320.35 : 545,030.76 = 97,089.55 : x
  2. Step 2: Convert to fraction form
    363,320.35/545,030.76 = 97,089.55/x
  3. Step 3: Cross multiply
    363,320.35x = 545,030.76 × 97,089.55
  4. Step 4: Simplify right side
    363,320.35x = 52,916,791,224.56
  5. Step 5: Solve for x
    x = 52,916,791,224.56/363,320.35
  6. Step 6: Final answer
    x = 145,647.75

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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.