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Finding the Fourth Proportional to 169,708.77, 234,240.46 and 98,130.08

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Solution

The fourth proportional to 169,708.77, 234,240.46 and 98,130.08 is: 135,444.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,708.77 : 234,240.46 = 98,130.08 : x
  2. Step 2: Convert to fraction form
    169,708.77/234,240.46 = 98,130.08/x
  3. Step 3: Cross multiply
    169,708.77x = 234,240.46 × 98,130.08
  4. Step 4: Simplify right side
    169,708.77x = 22,986,035,419.31
  5. Step 5: Solve for x
    x = 22,986,035,419.31/169,708.77
  6. Step 6: Final answer
    x = 135,444.00

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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.