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Finding the Fourth Proportional to 176,151.85, 243,152.60 and 104,531.87

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Solution

The fourth proportional to 176,151.85, 243,152.60 and 104,531.87 is: 144,291.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,151.85 : 243,152.60 = 104,531.87 : x
  2. Step 2: Convert to fraction form
    176,151.85/243,152.60 = 104,531.87/x
  3. Step 3: Cross multiply
    176,151.85x = 243,152.60 × 104,531.87
  4. Step 4: Simplify right side
    176,151.85x = 25,417,195,973.36
  5. Step 5: Solve for x
    x = 25,417,195,973.36/176,151.85
  6. Step 6: Final answer
    x = 144,291.39

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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.