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Finding the Fourth Proportional to 363,320.85, 545,031.51 and 97,090.05

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Solution

The fourth proportional to 363,320.85, 545,031.51 and 97,090.05 is: 145,648.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,320.85 : 545,031.51 = 97,090.05 : x
  2. Step 2: Convert to fraction form
    363,320.85/545,031.51 = 97,090.05/x
  3. Step 3: Cross multiply
    363,320.85x = 545,031.51 × 97,090.05
  4. Step 4: Simplify right side
    363,320.85x = 52,917,136,557.48
  5. Step 5: Solve for x
    x = 52,917,136,557.48/363,320.85
  6. Step 6: Final answer
    x = 145,648.50

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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.