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Finding the Fourth Proportional to 96,285.45, 144,154.80 and 91,048.80

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Solution

The fourth proportional to 96,285.45, 144,154.80 and 91,048.80 is: 136,314.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,285.45 : 144,154.80 = 91,048.80 : x
  2. Step 2: Convert to fraction form
    96,285.45/144,154.80 = 91,048.80/x
  3. Step 3: Cross multiply
    96,285.45x = 144,154.80 × 91,048.80
  4. Step 4: Simplify right side
    96,285.45x = 13,125,121,554.24
  5. Step 5: Solve for x
    x = 13,125,121,554.24/96,285.45
  6. Step 6: Final answer
    x = 136,314.69

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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.