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Finding the Fourth Proportional to 97,711.60, 146,567.40 and 55,575.40

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Solution

The fourth proportional to 97,711.60, 146,567.40 and 55,575.40 is: 83,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,711.60 : 146,567.40 = 55,575.40 : x
  2. Step 2: Convert to fraction form
    97,711.60/146,567.40 = 55,575.40/x
  3. Step 3: Cross multiply
    97,711.60x = 146,567.40 × 55,575.40
  4. Step 4: Simplify right side
    97,711.60x = 8,145,541,881.96
  5. Step 5: Solve for x
    x = 8,145,541,881.96/97,711.60
  6. Step 6: Final answer
    x = 83,363.10

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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.