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Finding the Fourth Proportional to 116,602.60, 174,860.70 and 37,719.40

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Solution

The fourth proportional to 116,602.60, 174,860.70 and 37,719.40 is: 56,565.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,602.60 : 174,860.70 = 37,719.40 : x
  2. Step 2: Convert to fraction form
    116,602.60/174,860.70 = 37,719.40/x
  3. Step 3: Cross multiply
    116,602.60x = 174,860.70 × 37,719.40
  4. Step 4: Simplify right side
    116,602.60x = 6,595,640,687.58
  5. Step 5: Solve for x
    x = 6,595,640,687.58/116,602.60
  6. Step 6: Final answer
    x = 56,565.13

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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.