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Finding the Fourth Proportional to 301,981.75, 452,972.71 and 88,749.65

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Solution

The fourth proportional to 301,981.75, 452,972.71 and 88,749.65 is: 133,124.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,981.75 : 452,972.71 = 88,749.65 : x
  2. Step 2: Convert to fraction form
    301,981.75/452,972.71 = 88,749.65/x
  3. Step 3: Cross multiply
    301,981.75x = 452,972.71 × 88,749.65
  4. Step 4: Simplify right side
    301,981.75x = 40,201,169,472.05
  5. Step 5: Solve for x
    x = 40,201,169,472.05/301,981.75
  6. Step 6: Final answer
    x = 133,124.50

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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.