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Finding the Fourth Proportional to 170,632.04, 255,838.48 and 70,861.08

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Solution

The fourth proportional to 170,632.04, 255,838.48 and 70,861.08 is: 106,246.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,632.04 : 255,838.48 = 70,861.08 : x
  2. Step 2: Convert to fraction form
    170,632.04/255,838.48 = 70,861.08/x
  3. Step 3: Cross multiply
    170,632.04x = 255,838.48 × 70,861.08
  4. Step 4: Simplify right side
    170,632.04x = 18,128,990,998.36
  5. Step 5: Solve for x
    x = 18,128,990,998.36/170,632.04
  6. Step 6: Final answer
    x = 106,246.11

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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.