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Finding the Fourth Proportional to 97,939,298.40, 146,732,000.40 and 83,783,522.40

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Solution

The fourth proportional to 97,939,298.40, 146,732,000.40 and 83,783,522.40 is: 125,523,911.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,939,298.40 : 146,732,000.40 = 83,783,522.40 : x
  2. Step 2: Convert to fraction form
    97,939,298.40/146,732,000.40 = 83,783,522.40/x
  3. Step 3: Cross multiply
    97,939,298.40x = 146,732,000.40 × 83,783,522.40
  4. Step 4: Simplify right side
    97,939,298.40x = 12,293,723,842,310,210
  5. Step 5: Solve for x
    x = 12,293,723,842,310,210/97,939,298.40
  6. Step 6: Final answer
    x = 125,523,911.68

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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.