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Finding the Fourth Proportional to 170,259.97, 234,958.76 and 98,681.51

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Solution

The fourth proportional to 170,259.97, 234,958.76 and 98,681.51 is: 136,180.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,259.97 : 234,958.76 = 98,681.51 : x
  2. Step 2: Convert to fraction form
    170,259.97/234,958.76 = 98,681.51/x
  3. Step 3: Cross multiply
    170,259.97x = 234,958.76 × 98,681.51
  4. Step 4: Simplify right side
    170,259.97x = 23,186,084,731.12
  5. Step 5: Solve for x
    x = 23,186,084,731.12/170,259.97
  6. Step 6: Final answer
    x = 136,180.48

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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.