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Finding the Fourth Proportional to 116,533.80, 174,800.70 and 103,411.80

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Solution

The fourth proportional to 116,533.80, 174,800.70 and 103,411.80 is: 155,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,533.80 : 174,800.70 = 103,411.80 : x
  2. Step 2: Convert to fraction form
    116,533.80/174,800.70 = 103,411.80/x
  3. Step 3: Cross multiply
    116,533.80x = 174,800.70 × 103,411.80
  4. Step 4: Simplify right side
    116,533.80x = 18,076,455,028.26
  5. Step 5: Solve for x
    x = 18,076,455,028.26/116,533.80
  6. Step 6: Final answer
    x = 155,117.70

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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.