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Finding the Fourth Proportional to 260,870.91, 360,010.76 and 146,154.39

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Solution

The fourth proportional to 260,870.91, 360,010.76 and 146,154.39 is: 201,698.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,870.91 : 360,010.76 = 146,154.39 : x
  2. Step 2: Convert to fraction form
    260,870.91/360,010.76 = 146,154.39/x
  3. Step 3: Cross multiply
    260,870.91x = 360,010.76 × 146,154.39
  4. Step 4: Simplify right side
    260,870.91x = 52,617,152,290.46
  5. Step 5: Solve for x
    x = 52,617,152,290.46/260,870.91
  6. Step 6: Final answer
    x = 201,698.04

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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.