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Finding the Fourth Proportional to 196,699.25, 293,929.11 and 147,693.08

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Solution

The fourth proportional to 196,699.25, 293,929.11 and 147,693.08 is: 220,698.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,699.25 : 293,929.11 = 147,693.08 : x
  2. Step 2: Convert to fraction form
    196,699.25/293,929.11 = 147,693.08/x
  3. Step 3: Cross multiply
    196,699.25x = 293,929.11 × 147,693.08
  4. Step 4: Simplify right side
    196,699.25x = 43,411,294,641.76
  5. Step 5: Solve for x
    x = 43,411,294,641.76/196,699.25
  6. Step 6: Final answer
    x = 220,698.83

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1.5x scale

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.