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Finding the Fourth Proportional to 104,395.71, 156,602.31 and 33,328.47

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Solution

The fourth proportional to 104,395.71, 156,602.31 and 33,328.47 is: 49,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,395.71 : 156,602.31 = 33,328.47 : x
  2. Step 2: Convert to fraction form
    104,395.71/156,602.31 = 33,328.47/x
  3. Step 3: Cross multiply
    104,395.71x = 156,602.31 × 33,328.47
  4. Step 4: Simplify right side
    104,395.71x = 5,219,315,390.77
  5. Step 5: Solve for x
    x = 5,219,315,390.77/104,395.71
  6. Step 6: Final answer
    x = 49,995.50

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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.