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Finding the Fourth Proportional to 162,166.84, 223,788.12 and 90,548.08

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Solution

The fourth proportional to 162,166.84, 223,788.12 and 90,548.08 is: 124,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,166.84 : 223,788.12 = 90,548.08 : x
  2. Step 2: Convert to fraction form
    162,166.84/223,788.12 = 90,548.08/x
  3. Step 3: Cross multiply
    162,166.84x = 223,788.12 × 90,548.08
  4. Step 4: Simplify right side
    162,166.84x = 20,263,584,592.81
  5. Step 5: Solve for x
    x = 20,263,584,592.81/162,166.84
  6. Step 6: Final answer
    x = 124,955.17

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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.