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Finding the Fourth Proportional to 108,365.88, 162,548.82 and 52,923

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Solution

The fourth proportional to 108,365.88, 162,548.82 and 52,923 is: 79,384.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,365.88 : 162,548.82 = 52,923 : x
  2. Step 2: Convert to fraction form
    108,365.88/162,548.82 = 52,923/x
  3. Step 3: Cross multiply
    108,365.88x = 162,548.82 × 52,923
  4. Step 4: Simplify right side
    108,365.88x = 8,602,571,200.86
  5. Step 5: Solve for x
    x = 8,602,571,200.86/108,365.88
  6. Step 6: Final answer
    x = 79,384.50

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1.5x scale

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.