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Finding the Fourth Proportional to 196,700.53, 293,931.03 and 147,694.36

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Solution

The fourth proportional to 196,700.53, 293,931.03 and 147,694.36 is: 220,700.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,700.53 : 293,931.03 = 147,694.36 : x
  2. Step 2: Convert to fraction form
    196,700.53/293,931.03 = 147,694.36/x
  3. Step 3: Cross multiply
    196,700.53x = 293,931.03 × 147,694.36
  4. Step 4: Simplify right side
    196,700.53x = 43,411,953,886.69
  5. Step 5: Solve for x
    x = 43,411,953,886.69/196,700.53
  6. Step 6: Final answer
    x = 220,700.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.