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Finding the Fourth Proportional to 119,232, 178,875.64 and 34,988.72

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Solution

The fourth proportional to 119,232, 178,875.64 and 34,988.72 is: 52,491.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,232 : 178,875.64 = 34,988.72 : x
  2. Step 2: Convert to fraction form
    119,232/178,875.64 = 34,988.72/x
  3. Step 3: Cross multiply
    119,232x = 178,875.64 × 34,988.72
  4. Step 4: Simplify right side
    119,232x = 6,258,629,682.78
  5. Step 5: Solve for x
    x = 6,258,629,682.78/119,232
  6. Step 6: Final answer
    x = 52,491.19

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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.