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Finding the Fourth Proportional to 170,392.71, 235,132.34 and 93,911.57

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Solution

The fourth proportional to 170,392.71, 235,132.34 and 93,911.57 is: 129,592.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,392.71 : 235,132.34 = 93,911.57 : x
  2. Step 2: Convert to fraction form
    170,392.71/235,132.34 = 93,911.57/x
  3. Step 3: Cross multiply
    170,392.71x = 235,132.34 × 93,911.57
  4. Step 4: Simplify right side
    170,392.71x = 22,081,646,031.51
  5. Step 5: Solve for x
    x = 22,081,646,031.51/170,392.71
  6. Step 6: Final answer
    x = 129,592.67

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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.