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Finding the Fourth Proportional to 105,609.01, 157,471.48 and 93,873.01

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Solution

The fourth proportional to 105,609.01, 157,471.48 and 93,873.01 is: 139,972.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,609.01 : 157,471.48 = 93,873.01 : x
  2. Step 2: Convert to fraction form
    105,609.01/157,471.48 = 93,873.01/x
  3. Step 3: Cross multiply
    105,609.01x = 157,471.48 × 93,873.01
  4. Step 4: Simplify right side
    105,609.01x = 14,782,321,188.39
  5. Step 5: Solve for x
    x = 14,782,321,188.39/105,609.01
  6. Step 6: Final answer
    x = 139,972.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.