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Finding the Fourth Proportional to 99,070.99, 148,617.76 and 35,920.85

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Solution

The fourth proportional to 99,070.99, 148,617.76 and 35,920.85 is: 53,885.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,070.99 : 148,617.76 = 35,920.85 : x
  2. Step 2: Convert to fraction form
    99,070.99/148,617.76 = 35,920.85/x
  3. Step 3: Cross multiply
    99,070.99x = 148,617.76 × 35,920.85
  4. Step 4: Simplify right side
    99,070.99x = 5,338,475,894.96
  5. Step 5: Solve for x
    x = 5,338,475,894.96/99,070.99
  6. Step 6: Final answer
    x = 53,885.36

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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.