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Finding the Fourth Proportional to 188,253.84, 282,490.92 and 70,006.80

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Solution

The fourth proportional to 188,253.84, 282,490.92 and 70,006.80 is: 105,051.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,253.84 : 282,490.92 = 70,006.80 : x
  2. Step 2: Convert to fraction form
    188,253.84/282,490.92 = 70,006.80/x
  3. Step 3: Cross multiply
    188,253.84x = 282,490.92 × 70,006.80
  4. Step 4: Simplify right side
    188,253.84x = 19,776,285,338.26
  5. Step 5: Solve for x
    x = 19,776,285,338.26/188,253.84
  6. Step 6: Final answer
    x = 105,051.17

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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.