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Finding the Fourth Proportional to 176,203.47, 243,050.19 and 104,532.75

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Solution

The fourth proportional to 176,203.47, 243,050.19 and 104,532.75 is: 144,189.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,203.47 : 243,050.19 = 104,532.75 : x
  2. Step 2: Convert to fraction form
    176,203.47/243,050.19 = 104,532.75/x
  3. Step 3: Cross multiply
    176,203.47x = 243,050.19 × 104,532.75
  4. Step 4: Simplify right side
    176,203.47x = 25,406,704,748.72
  5. Step 5: Solve for x
    x = 25,406,704,748.72/176,203.47
  6. Step 6: Final answer
    x = 144,189.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.