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Finding the Fourth Proportional to 169,903.92, 234,447 and 93,410.40

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Solution

The fourth proportional to 169,903.92, 234,447 and 93,410.40 is: 128,895.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,903.92 : 234,447 = 93,410.40 : x
  2. Step 2: Convert to fraction form
    169,903.92/234,447 = 93,410.40/x
  3. Step 3: Cross multiply
    169,903.92x = 234,447 × 93,410.40
  4. Step 4: Simplify right side
    169,903.92x = 21,899,788,048.80
  5. Step 5: Solve for x
    x = 21,899,788,048.80/169,903.92
  6. Step 6: Final answer
    x = 128,895.13

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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.