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Finding the Fourth Proportional to 188,557.61, 282,762.29 and 68,586.08

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Solution

The fourth proportional to 188,557.61, 282,762.29 and 68,586.08 is: 102,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,557.61 : 282,762.29 = 68,586.08 : x
  2. Step 2: Convert to fraction form
    188,557.61/282,762.29 = 68,586.08/x
  3. Step 3: Cross multiply
    188,557.61x = 282,762.29 × 68,586.08
  4. Step 4: Simplify right side
    188,557.61x = 19,393,555,800.58
  5. Step 5: Solve for x
    x = 19,393,555,800.58/188,557.61
  6. Step 6: Final answer
    x = 102,852.15

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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.