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Finding the Fourth Proportional to 170,595.90, 255,959.82 and 70,730.46

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Solution

The fourth proportional to 170,595.90, 255,959.82 and 70,730.46 is: 106,123.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,595.90 : 255,959.82 = 70,730.46 : x
  2. Step 2: Convert to fraction form
    170,595.90/255,959.82 = 70,730.46/x
  3. Step 3: Cross multiply
    170,595.90x = 255,959.82 × 70,730.46
  4. Step 4: Simplify right side
    170,595.90x = 18,104,155,810.12
  5. Step 5: Solve for x
    x = 18,104,155,810.12/170,595.90
  6. Step 6: Final answer
    x = 106,123.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.