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Finding the Fourth Proportional to 176,973.01, 244,223.09 and 105,355.51

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Solution

The fourth proportional to 176,973.01, 244,223.09 and 105,355.51 is: 145,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,973.01 : 244,223.09 = 105,355.51 : x
  2. Step 2: Convert to fraction form
    176,973.01/244,223.09 = 105,355.51/x
  3. Step 3: Cross multiply
    176,973.01x = 244,223.09 × 105,355.51
  4. Step 4: Simplify right side
    176,973.01x = 25,730,248,200.73
  5. Step 5: Solve for x
    x = 25,730,248,200.73/176,973.01
  6. Step 6: Final answer
    x = 145,390.80

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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.