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Finding the Fourth Proportional to 98,998.86, 148,432.68 and 35,810.67

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Solution

The fourth proportional to 98,998.86, 148,432.68 and 35,810.67 is: 53,692.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,998.86 : 148,432.68 = 35,810.67 : x
  2. Step 2: Convert to fraction form
    98,998.86/148,432.68 = 35,810.67/x
  3. Step 3: Cross multiply
    98,998.86x = 148,432.68 × 35,810.67
  4. Step 4: Simplify right side
    98,998.86x = 5,315,473,720.70
  5. Step 5: Solve for x
    x = 5,315,473,720.70/98,998.86
  6. Step 6: Final answer
    x = 53,692.27

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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.