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Finding the Fourth Proportional to 178,925.69, 268,389.69 and 52,565.42

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Solution

The fourth proportional to 178,925.69, 268,389.69 and 52,565.42 is: 78,848.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,925.69 : 268,389.69 = 52,565.42 : x
  2. Step 2: Convert to fraction form
    178,925.69/268,389.69 = 52,565.42/x
  3. Step 3: Cross multiply
    178,925.69x = 268,389.69 × 52,565.42
  4. Step 4: Simplify right side
    178,925.69x = 14,108,017,252.37
  5. Step 5: Solve for x
    x = 14,108,017,252.37/178,925.69
  6. Step 6: Final answer
    x = 78,848.47

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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.