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Finding the Fourth Proportional to 196,668.70, 295,001.13 and 56,428.06

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Solution

The fourth proportional to 196,668.70, 295,001.13 and 56,428.06 is: 84,641.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,668.70 : 295,001.13 = 56,428.06 : x
  2. Step 2: Convert to fraction form
    196,668.70/295,001.13 = 56,428.06/x
  3. Step 3: Cross multiply
    196,668.70x = 295,001.13 × 56,428.06
  4. Step 4: Simplify right side
    196,668.70x = 16,646,341,463.71
  5. Step 5: Solve for x
    x = 16,646,341,463.71/196,668.70
  6. Step 6: Final answer
    x = 84,641.54

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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.