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Finding the Fourth Proportional to 99,307.58, 148,981.89 and 32,751.77

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Solution

The fourth proportional to 99,307.58, 148,981.89 and 32,751.77 is: 49,134.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,307.58 : 148,981.89 = 32,751.77 : x
  2. Step 2: Convert to fraction form
    99,307.58/148,981.89 = 32,751.77/x
  3. Step 3: Cross multiply
    99,307.58x = 148,981.89 × 32,751.77
  4. Step 4: Simplify right side
    99,307.58x = 4,879,420,595.45
  5. Step 5: Solve for x
    x = 4,879,420,595.45/99,307.58
  6. Step 6: Final answer
    x = 49,134.42

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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.