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Finding the Fourth Proportional to 210,282.84, 315,424.22 and 116,111.80

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Solution

The fourth proportional to 210,282.84, 315,424.22 and 116,111.80 is: 174,167.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,282.84 : 315,424.22 = 116,111.80 : x
  2. Step 2: Convert to fraction form
    210,282.84/315,424.22 = 116,111.80/x
  3. Step 3: Cross multiply
    210,282.84x = 315,424.22 × 116,111.80
  4. Step 4: Simplify right side
    210,282.84x = 36,624,473,947.80
  5. Step 5: Solve for x
    x = 36,624,473,947.80/210,282.84
  6. Step 6: Final answer
    x = 174,167.68

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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.