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Finding the Fourth Proportional to 263,064.66, 363,032.73 and 155,631.93

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Solution

The fourth proportional to 263,064.66, 363,032.73 and 155,631.93 is: 214,774.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,064.66 : 363,032.73 = 155,631.93 : x
  2. Step 2: Convert to fraction form
    263,064.66/363,032.73 = 155,631.93/x
  3. Step 3: Cross multiply
    263,064.66x = 363,032.73 × 155,631.93
  4. Step 4: Simplify right side
    263,064.66x = 56,499,484,423.07
  5. Step 5: Solve for x
    x = 56,499,484,423.07/263,064.66
  6. Step 6: Final answer
    x = 214,774.13

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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.