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Finding the Fourth Proportional to 196,994.80, 295,492.20 and 118,068.40

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Solution

The fourth proportional to 196,994.80, 295,492.20 and 118,068.40 is: 177,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,994.80 : 295,492.20 = 118,068.40 : x
  2. Step 2: Convert to fraction form
    196,994.80/295,492.20 = 118,068.40/x
  3. Step 3: Cross multiply
    196,994.80x = 295,492.20 × 118,068.40
  4. Step 4: Simplify right side
    196,994.80x = 34,888,291,266.48
  5. Step 5: Solve for x
    x = 34,888,291,266.48/196,994.80
  6. Step 6: Final answer
    x = 177,102.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.