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Finding the Fourth Proportional to 157,475.60, 236,213.40 and 64,048.40

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Solution

The fourth proportional to 157,475.60, 236,213.40 and 64,048.40 is: 96,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,475.60 : 236,213.40 = 64,048.40 : x
  2. Step 2: Convert to fraction form
    157,475.60/236,213.40 = 64,048.40/x
  3. Step 3: Cross multiply
    157,475.60x = 236,213.40 × 64,048.40
  4. Step 4: Simplify right side
    157,475.60x = 15,129,090,328.56
  5. Step 5: Solve for x
    x = 15,129,090,328.56/157,475.60
  6. Step 6: Final answer
    x = 96,072.60

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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.