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Finding the Fourth Proportional to 159,101.90, 239,090.26 and 148,699.06

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Solution

The fourth proportional to 159,101.90, 239,090.26 and 148,699.06 is: 223,457.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,101.90 : 239,090.26 = 148,699.06 : x
  2. Step 2: Convert to fraction form
    159,101.90/239,090.26 = 148,699.06/x
  3. Step 3: Cross multiply
    159,101.90x = 239,090.26 × 148,699.06
  4. Step 4: Simplify right side
    159,101.90x = 35,552,496,917.16
  5. Step 5: Solve for x
    x = 35,552,496,917.16/159,101.90
  6. Step 6: Final answer
    x = 223,457.40

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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.