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Finding the Fourth Proportional to 363,395.49, 545,051.70 and 97,176.76

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Solution

The fourth proportional to 363,395.49, 545,051.70 and 97,176.76 is: 145,754.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,395.49 : 545,051.70 = 97,176.76 : x
  2. Step 2: Convert to fraction form
    363,395.49/545,051.70 = 97,176.76/x
  3. Step 3: Cross multiply
    363,395.49x = 545,051.70 × 97,176.76
  4. Step 4: Simplify right side
    363,395.49x = 52,966,358,238.49
  5. Step 5: Solve for x
    x = 52,966,358,238.49/363,395.49
  6. Step 6: Final answer
    x = 145,754.03

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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.