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Finding the Fourth Proportional to 176,051.50, 242,928.79 and 104,417.53

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Solution

The fourth proportional to 176,051.50, 242,928.79 and 104,417.53 is: 144,082.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,051.50 : 242,928.79 = 104,417.53 : x
  2. Step 2: Convert to fraction form
    176,051.50/242,928.79 = 104,417.53/x
  3. Step 3: Cross multiply
    176,051.50x = 242,928.79 × 104,417.53
  4. Step 4: Simplify right side
    176,051.50x = 25,366,023,349.32
  5. Step 5: Solve for x
    x = 25,366,023,349.32/176,051.50
  6. Step 6: Final answer
    x = 144,082.97

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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.