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Finding the Fourth Proportional to 233,248.60, 349,872.90 and 161,709.40

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Solution

The fourth proportional to 233,248.60, 349,872.90 and 161,709.40 is: 242,564.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,248.60 : 349,872.90 = 161,709.40 : x
  2. Step 2: Convert to fraction form
    233,248.60/349,872.90 = 161,709.40/x
  3. Step 3: Cross multiply
    233,248.60x = 349,872.90 × 161,709.40
  4. Step 4: Simplify right side
    233,248.60x = 56,577,736,735.26
  5. Step 5: Solve for x
    x = 56,577,736,735.26/233,248.60
  6. Step 6: Final answer
    x = 242,564.10

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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.