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Finding the Fourth Proportional to 225,339.68, 310,947.16 and 134,677.60

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Solution

The fourth proportional to 225,339.68, 310,947.16 and 134,677.60 is: 185,842.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,339.68 : 310,947.16 = 134,677.60 : x
  2. Step 2: Convert to fraction form
    225,339.68/310,947.16 = 134,677.60/x
  3. Step 3: Cross multiply
    225,339.68x = 310,947.16 × 134,677.60
  4. Step 4: Simplify right side
    225,339.68x = 41,877,617,235.62
  5. Step 5: Solve for x
    x = 41,877,617,235.62/225,339.68
  6. Step 6: Final answer
    x = 185,842.18

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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.