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Finding the Fourth Proportional to 223,691.55, 335,547.72 and 63,778.35

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Solution

The fourth proportional to 223,691.55, 335,547.72 and 63,778.35 is: 95,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,691.55 : 335,547.72 = 63,778.35 : x
  2. Step 2: Convert to fraction form
    223,691.55/335,547.72 = 63,778.35/x
  3. Step 3: Cross multiply
    223,691.55x = 335,547.72 × 63,778.35
  4. Step 4: Simplify right side
    223,691.55x = 21,400,679,927.86
  5. Step 5: Solve for x
    x = 21,400,679,927.86/223,691.55
  6. Step 6: Final answer
    x = 95,670.49

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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.