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Finding the Fourth Proportional to 178,613, 246,443.52 and 101,089.64

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Solution

The fourth proportional to 178,613, 246,443.52 and 101,089.64 is: 139,479.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,613 : 246,443.52 = 101,089.64 : x
  2. Step 2: Convert to fraction form
    178,613/246,443.52 = 101,089.64/x
  3. Step 3: Cross multiply
    178,613x = 246,443.52 × 101,089.64
  4. Step 4: Simplify right side
    178,613x = 24,912,886,717.13
  5. Step 5: Solve for x
    x = 24,912,886,717.13/178,613
  6. Step 6: Final answer
    x = 139,479.69

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1.5x scale

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.