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Finding the Fourth Proportional to 112,025.60, 168,038.40 and 102,694.40

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Solution

The fourth proportional to 112,025.60, 168,038.40 and 102,694.40 is: 154,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,025.60 : 168,038.40 = 102,694.40 : x
  2. Step 2: Convert to fraction form
    112,025.60/168,038.40 = 102,694.40/x
  3. Step 3: Cross multiply
    112,025.60x = 168,038.40 × 102,694.40
  4. Step 4: Simplify right side
    112,025.60x = 17,256,602,664.96
  5. Step 5: Solve for x
    x = 17,256,602,664.96/112,025.60
  6. Step 6: Final answer
    x = 154,041.60

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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.