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Finding the Fourth Proportional to 78,005.80, 116,814.30 and 62,453.80

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Solution

The fourth proportional to 78,005.80, 116,814.30 and 62,453.80 is: 93,525.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,005.80 : 116,814.30 = 62,453.80 : x
  2. Step 2: Convert to fraction form
    78,005.80/116,814.30 = 62,453.80/x
  3. Step 3: Cross multiply
    78,005.80x = 116,814.30 × 62,453.80
  4. Step 4: Simplify right side
    78,005.80x = 7,295,496,929.34
  5. Step 5: Solve for x
    x = 7,295,496,929.34/78,005.80
  6. Step 6: Final answer
    x = 93,525.06

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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.