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Finding the Fourth Proportional to 112,235.60, 168,547.80 and 108,736.40

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Solution

The fourth proportional to 112,235.60, 168,547.80 and 108,736.40 is: 163,292.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,235.60 : 168,547.80 = 108,736.40 : x
  2. Step 2: Convert to fraction form
    112,235.60/168,547.80 = 108,736.40/x
  3. Step 3: Cross multiply
    112,235.60x = 168,547.80 × 108,736.40
  4. Step 4: Simplify right side
    112,235.60x = 18,327,280,999.92
  5. Step 5: Solve for x
    x = 18,327,280,999.92/112,235.60
  6. Step 6: Final answer
    x = 163,292.94

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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.