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Finding the Fourth Proportional to 104,896.32, 144,707.32 and 70,916.74

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Solution

The fourth proportional to 104,896.32, 144,707.32 and 70,916.74 is: 97,831.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,896.32 : 144,707.32 = 70,916.74 : x
  2. Step 2: Convert to fraction form
    104,896.32/144,707.32 = 70,916.74/x
  3. Step 3: Cross multiply
    104,896.32x = 144,707.32 × 70,916.74
  4. Step 4: Simplify right side
    104,896.32x = 10,262,171,388.54
  5. Step 5: Solve for x
    x = 10,262,171,388.54/104,896.32
  6. Step 6: Final answer
    x = 97,831.57

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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.