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Finding the Fourth Proportional to 170,987.31, 235,974.70 and 94,504.76

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Solution

The fourth proportional to 170,987.31, 235,974.70 and 94,504.76 is: 130,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,987.31 : 235,974.70 = 94,504.76 : x
  2. Step 2: Convert to fraction form
    170,987.31/235,974.70 = 94,504.76/x
  3. Step 3: Cross multiply
    170,987.31x = 235,974.70 × 94,504.76
  4. Step 4: Simplify right side
    170,987.31x = 22,300,732,389.57
  5. Step 5: Solve for x
    x = 22,300,732,389.57/170,987.31
  6. Step 6: Final answer
    x = 130,423.32

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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.