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Finding the Fourth Proportional to 176,533.60, 264,800.40 and 145,429.60

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Solution

The fourth proportional to 176,533.60, 264,800.40 and 145,429.60 is: 218,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,533.60 : 264,800.40 = 145,429.60 : x
  2. Step 2: Convert to fraction form
    176,533.60/264,800.40 = 145,429.60/x
  3. Step 3: Cross multiply
    176,533.60x = 264,800.40 × 145,429.60
  4. Step 4: Simplify right side
    176,533.60x = 38,509,816,251.84
  5. Step 5: Solve for x
    x = 38,509,816,251.84/176,533.60
  6. Step 6: Final answer
    x = 218,144.40

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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.