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Finding the Fourth Proportional to 557,153.60, 835,735.20 and 157,803.20

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Solution

The fourth proportional to 557,153.60, 835,735.20 and 157,803.20 is: 236,706.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,153.60 : 835,735.20 = 157,803.20 : x
  2. Step 2: Convert to fraction form
    557,153.60/835,735.20 = 157,803.20/x
  3. Step 3: Cross multiply
    557,153.60x = 835,735.20 × 157,803.20
  4. Step 4: Simplify right side
    557,153.60x = 131,881,688,912.64
  5. Step 5: Solve for x
    x = 131,881,688,912.64/557,153.60
  6. Step 6: Final answer
    x = 236,706.16

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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.