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Finding the Fourth Proportional to 268,533.41, 370,471.22 and 153,750.71

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Solution

The fourth proportional to 268,533.41, 370,471.22 and 153,750.71 is: 212,115.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,533.41 : 370,471.22 = 153,750.71 : x
  2. Step 2: Convert to fraction form
    268,533.41/370,471.22 = 153,750.71/x
  3. Step 3: Cross multiply
    268,533.41x = 370,471.22 × 153,750.71
  4. Step 4: Simplify right side
    268,533.41x = 56,960,213,109.57
  5. Step 5: Solve for x
    x = 56,960,213,109.57/268,533.41
  6. Step 6: Final answer
    x = 212,115.93

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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.