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Finding the Fourth Proportional to 363,551.80, 545,335.26 and 97,312

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Solution

The fourth proportional to 363,551.80, 545,335.26 and 97,312 is: 145,970.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,551.80 : 545,335.26 = 97,312 : x
  2. Step 2: Convert to fraction form
    363,551.80/545,335.26 = 97,312/x
  3. Step 3: Cross multiply
    363,551.80x = 545,335.26 × 97,312
  4. Step 4: Simplify right side
    363,551.80x = 53,067,664,821.12
  5. Step 5: Solve for x
    x = 53,067,664,821.12/363,551.80
  6. Step 6: Final answer
    x = 145,970.02

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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.