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Finding the Fourth Proportional to 170,532.70, 235,340.61 and 94,055.06

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Solution

The fourth proportional to 170,532.70, 235,340.61 and 94,055.06 is: 129,799.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,532.70 : 235,340.61 = 94,055.06 : x
  2. Step 2: Convert to fraction form
    170,532.70/235,340.61 = 94,055.06/x
  3. Step 3: Cross multiply
    170,532.70x = 235,340.61 × 94,055.06
  4. Step 4: Simplify right side
    170,532.70x = 22,134,975,429.63
  5. Step 5: Solve for x
    x = 22,134,975,429.63/170,532.70
  6. Step 6: Final answer
    x = 129,799.01

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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.