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Finding the Fourth Proportional to 303,031.02, 418,175.06 and 167,061.80

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Solution

The fourth proportional to 303,031.02, 418,175.06 and 167,061.80 is: 230,541.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,031.02 : 418,175.06 = 167,061.80 : x
  2. Step 2: Convert to fraction form
    303,031.02/418,175.06 = 167,061.80/x
  3. Step 3: Cross multiply
    303,031.02x = 418,175.06 × 167,061.80
  4. Step 4: Simplify right side
    303,031.02x = 69,861,078,238.71
  5. Step 5: Solve for x
    x = 69,861,078,238.71/303,031.02
  6. Step 6: Final answer
    x = 230,541.01

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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.