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Finding the Fourth Proportional to 152,297.68, 210,195.76 and 104,511.76

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Solution

The fourth proportional to 152,297.68, 210,195.76 and 104,511.76 is: 144,243.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,297.68 : 210,195.76 = 104,511.76 : x
  2. Step 2: Convert to fraction form
    152,297.68/210,195.76 = 104,511.76/x
  3. Step 3: Cross multiply
    152,297.68x = 210,195.76 × 104,511.76
  4. Step 4: Simplify right side
    152,297.68x = 21,967,928,822.14
  5. Step 5: Solve for x
    x = 21,967,928,822.14/152,297.68
  6. Step 6: Final answer
    x = 144,243.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.