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Finding the Fourth Proportional to 157,593.25, 217,478.69 and 101,004.63

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Solution

The fourth proportional to 157,593.25, 217,478.69 and 101,004.63 is: 139,386.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,593.25 : 217,478.69 = 101,004.63 : x
  2. Step 2: Convert to fraction form
    157,593.25/217,478.69 = 101,004.63/x
  3. Step 3: Cross multiply
    157,593.25x = 217,478.69 × 101,004.63
  4. Step 4: Simplify right side
    157,593.25x = 21,966,354,616.33
  5. Step 5: Solve for x
    x = 21,966,354,616.33/157,593.25
  6. Step 6: Final answer
    x = 139,386.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.