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Finding the Fourth Proportional to 119,161.60, 178,681.28 and 63,032

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Solution

The fourth proportional to 119,161.60, 178,681.28 and 63,032 is: 94,515.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,161.60 : 178,681.28 = 63,032 : x
  2. Step 2: Convert to fraction form
    119,161.60/178,681.28 = 63,032/x
  3. Step 3: Cross multiply
    119,161.60x = 178,681.28 × 63,032
  4. Step 4: Simplify right side
    119,161.60x = 11,262,638,440.96
  5. Step 5: Solve for x
    x = 11,262,638,440.96/119,161.60
  6. Step 6: Final answer
    x = 94,515.67

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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.