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Finding the Fourth Proportional to 157,627.99, 235,887.23 and 98,491.51

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Solution

The fourth proportional to 157,627.99, 235,887.23 and 98,491.51 is: 147,390.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,627.99 : 235,887.23 = 98,491.51 : x
  2. Step 2: Convert to fraction form
    157,627.99/235,887.23 = 98,491.51/x
  3. Step 3: Cross multiply
    157,627.99x = 235,887.23 × 98,491.51
  4. Step 4: Simplify right side
    157,627.99x = 23,232,888,979.96
  5. Step 5: Solve for x
    x = 23,232,888,979.96/157,627.99
  6. Step 6: Final answer
    x = 147,390.63

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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.