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Finding the Fourth Proportional to 104,857.20, 157,285.80 and 62,866.80

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Solution

The fourth proportional to 104,857.20, 157,285.80 and 62,866.80 is: 94,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,857.20 : 157,285.80 = 62,866.80 : x
  2. Step 2: Convert to fraction form
    104,857.20/157,285.80 = 62,866.80/x
  3. Step 3: Cross multiply
    104,857.20x = 157,285.80 × 62,866.80
  4. Step 4: Simplify right side
    104,857.20x = 9,888,054,931.44
  5. Step 5: Solve for x
    x = 9,888,054,931.44/104,857.20
  6. Step 6: Final answer
    x = 94,300.20

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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.