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Finding the Fourth Proportional to 223,059, 307,823.58 and 122,459.16

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Solution

The fourth proportional to 223,059, 307,823.58 and 122,459.16 is: 168,994.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,059 : 307,823.58 = 122,459.16 : x
  2. Step 2: Convert to fraction form
    223,059/307,823.58 = 122,459.16/x
  3. Step 3: Cross multiply
    223,059x = 307,823.58 × 122,459.16
  4. Step 4: Simplify right side
    223,059x = 37,695,817,034.99
  5. Step 5: Solve for x
    x = 37,695,817,034.99/223,059
  6. Step 6: Final answer
    x = 168,994.83

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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.