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Finding the Fourth Proportional to 105,195.60, 157,744.80 and 46,000.80

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Solution

The fourth proportional to 105,195.60, 157,744.80 and 46,000.80 is: 68,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,195.60 : 157,744.80 = 46,000.80 : x
  2. Step 2: Convert to fraction form
    105,195.60/157,744.80 = 46,000.80/x
  3. Step 3: Cross multiply
    105,195.60x = 157,744.80 × 46,000.80
  4. Step 4: Simplify right side
    105,195.60x = 7,256,386,995.84
  5. Step 5: Solve for x
    x = 7,256,386,995.84/105,195.60
  6. Step 6: Final answer
    x = 68,979.95

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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.