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Finding the Fourth Proportional to 303,127.66, 418,307.16 and 167,161.60

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Solution

The fourth proportional to 303,127.66, 418,307.16 and 167,161.60 is: 230,678.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,127.66 : 418,307.16 = 167,161.60 : x
  2. Step 2: Convert to fraction form
    303,127.66/418,307.16 = 167,161.60/x
  3. Step 3: Cross multiply
    303,127.66x = 418,307.16 × 167,161.60
  4. Step 4: Simplify right side
    303,127.66x = 69,924,894,157.06
  5. Step 5: Solve for x
    x = 69,924,894,157.06/303,127.66
  6. Step 6: Final answer
    x = 230,678.04

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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.