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Finding the Fourth Proportional to 176,901.59, 265,130.91 and 139,313.25

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Solution

The fourth proportional to 176,901.59, 265,130.91 and 139,313.25 is: 208,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,901.59 : 265,130.91 = 139,313.25 : x
  2. Step 2: Convert to fraction form
    176,901.59/265,130.91 = 139,313.25/x
  3. Step 3: Cross multiply
    176,901.59x = 265,130.91 × 139,313.25
  4. Step 4: Simplify right side
    176,901.59x = 36,936,248,747.56
  5. Step 5: Solve for x
    x = 36,936,248,747.56/176,901.59
  6. Step 6: Final answer
    x = 208,795.46

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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.