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Finding the Fourth Proportional to 219,041.34, 302,251.68 and 123,549.63

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Solution

The fourth proportional to 219,041.34, 302,251.68 and 123,549.63 is: 170,484.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,041.34 : 302,251.68 = 123,549.63 : x
  2. Step 2: Convert to fraction form
    219,041.34/302,251.68 = 123,549.63/x
  3. Step 3: Cross multiply
    219,041.34x = 302,251.68 × 123,549.63
  4. Step 4: Simplify right side
    219,041.34x = 37,343,083,230.88
  5. Step 5: Solve for x
    x = 37,343,083,230.88/219,041.34
  6. Step 6: Final answer
    x = 170,484.18

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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.