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Finding the Fourth Proportional to 241,130.90, 361,703.10 and 91,343.00

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Solution

The fourth proportional to 241,130.90, 361,703.10 and 91,343.00 is: 137,017.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,130.90 : 361,703.10 = 91,343.00 : x
  2. Step 2: Convert to fraction form
    241,130.90/361,703.10 = 91,343.00/x
  3. Step 3: Cross multiply
    241,130.90x = 361,703.10 × 91,343.00
  4. Step 4: Simplify right side
    241,130.90x = 33,039,047,510.09
  5. Step 5: Solve for x
    x = 33,039,047,510.09/241,130.90
  6. Step 6: Final answer
    x = 137,017.06

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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.