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Finding the Fourth Proportional to 162,047.58, 223,625.25 and 90,426.84

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Solution

The fourth proportional to 162,047.58, 223,625.25 and 90,426.84 is: 124,788.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,047.58 : 223,625.25 = 90,426.84 : x
  2. Step 2: Convert to fraction form
    162,047.58/223,625.25 = 90,426.84/x
  3. Step 3: Cross multiply
    162,047.58x = 223,625.25 × 90,426.84
  4. Step 4: Simplify right side
    162,047.58x = 20,221,724,701.71
  5. Step 5: Solve for x
    x = 20,221,724,701.71/162,047.58
  6. Step 6: Final answer
    x = 124,788.81

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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.