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Finding the Fourth Proportional to 237,155.16, 355,794.84 and 70,943.16

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Solution

The fourth proportional to 237,155.16, 355,794.84 and 70,943.16 is: 106,433.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,155.16 : 355,794.84 = 70,943.16 : x
  2. Step 2: Convert to fraction form
    237,155.16/355,794.84 = 70,943.16/x
  3. Step 3: Cross multiply
    237,155.16x = 355,794.84 × 70,943.16
  4. Step 4: Simplify right side
    237,155.16x = 25,241,210,261.29
  5. Step 5: Solve for x
    x = 25,241,210,261.29/237,155.16
  6. Step 6: Final answer
    x = 106,433.32

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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.