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Finding the Fourth Proportional to 176,581, 243,681.78 and 101,134.36

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Solution

The fourth proportional to 176,581, 243,681.78 and 101,134.36 is: 139,565.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,581 : 243,681.78 = 101,134.36 : x
  2. Step 2: Convert to fraction form
    176,581/243,681.78 = 101,134.36/x
  3. Step 3: Cross multiply
    176,581x = 243,681.78 × 101,134.36
  4. Step 4: Simplify right side
    176,581x = 24,644,600,863.96
  5. Step 5: Solve for x
    x = 24,644,600,863.96/176,581
  6. Step 6: Final answer
    x = 139,565.42

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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.