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Finding the Fourth Proportional to 104,969.93, 157,407.50 and 30,072.92

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Solution

The fourth proportional to 104,969.93, 157,407.50 and 30,072.92 is: 45,095.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,969.93 : 157,407.50 = 30,072.92 : x
  2. Step 2: Convert to fraction form
    104,969.93/157,407.50 = 30,072.92/x
  3. Step 3: Cross multiply
    104,969.93x = 157,407.50 × 30,072.92
  4. Step 4: Simplify right side
    104,969.93x = 4,733,703,328.46
  5. Step 5: Solve for x
    x = 4,733,703,328.46/104,969.93
  6. Step 6: Final answer
    x = 45,095.81

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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.