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Finding the Fourth Proportional to 116,569.60, 174,897.60 and 37,686.40

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Solution

The fourth proportional to 116,569.60, 174,897.60 and 37,686.40 is: 56,543.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,569.60 : 174,897.60 = 37,686.40 : x
  2. Step 2: Convert to fraction form
    116,569.60/174,897.60 = 37,686.40/x
  3. Step 3: Cross multiply
    116,569.60x = 174,897.60 × 37,686.40
  4. Step 4: Simplify right side
    116,569.60x = 6,591,260,912.64
  5. Step 5: Solve for x
    x = 6,591,260,912.64/116,569.60
  6. Step 6: Final answer
    x = 56,543.57

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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.