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Finding the Fourth Proportional to 119,132.73, 178,646.61 and 55,970.81

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Solution

The fourth proportional to 119,132.73, 178,646.61 and 55,970.81 is: 83,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,132.73 : 178,646.61 = 55,970.81 : x
  2. Step 2: Convert to fraction form
    119,132.73/178,646.61 = 55,970.81/x
  3. Step 3: Cross multiply
    119,132.73x = 178,646.61 × 55,970.81
  4. Step 4: Simplify right side
    119,132.73x = 9,998,994,572.22
  5. Step 5: Solve for x
    x = 9,998,994,572.22/119,132.73
  6. Step 6: Final answer
    x = 83,931.55

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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.