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Finding the Fourth Proportional to 119,032.40, 178,548.60 and 48,875.60

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Solution

The fourth proportional to 119,032.40, 178,548.60 and 48,875.60 is: 73,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,032.40 : 178,548.60 = 48,875.60 : x
  2. Step 2: Convert to fraction form
    119,032.40/178,548.60 = 48,875.60/x
  3. Step 3: Cross multiply
    119,032.40x = 178,548.60 × 48,875.60
  4. Step 4: Simplify right side
    119,032.40x = 8,726,669,954.16
  5. Step 5: Solve for x
    x = 8,726,669,954.16/119,032.40
  6. Step 6: Final answer
    x = 73,313.40

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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.