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Finding the Fourth Proportional to 219,094.20, 302,348.28 and 118,492.20

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Solution

The fourth proportional to 219,094.20, 302,348.28 and 118,492.20 is: 163,518.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,094.20 : 302,348.28 = 118,492.20 : x
  2. Step 2: Convert to fraction form
    219,094.20/302,348.28 = 118,492.20/x
  3. Step 3: Cross multiply
    219,094.20x = 302,348.28 × 118,492.20
  4. Step 4: Simplify right side
    219,094.20x = 35,825,912,863.42
  5. Step 5: Solve for x
    x = 35,825,912,863.42/219,094.20
  6. Step 6: Final answer
    x = 163,518.31

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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.