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Finding the Fourth Proportional to 157,970.60, 236,495.10 and 153,362.60

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Solution

The fourth proportional to 157,970.60, 236,495.10 and 153,362.60 is: 229,596.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,970.60 : 236,495.10 = 153,362.60 : x
  2. Step 2: Convert to fraction form
    157,970.60/236,495.10 = 153,362.60/x
  3. Step 3: Cross multiply
    157,970.60x = 236,495.10 × 153,362.60
  4. Step 4: Simplify right side
    157,970.60x = 36,269,503,423.26
  5. Step 5: Solve for x
    x = 36,269,503,423.26/157,970.60
  6. Step 6: Final answer
    x = 229,596.54

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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.