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Finding the Fourth Proportional to 176,166.61, 243,107.31 and 103,577.68

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Solution

The fourth proportional to 176,166.61, 243,107.31 and 103,577.68 is: 142,935.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,166.61 : 243,107.31 = 103,577.68 : x
  2. Step 2: Convert to fraction form
    176,166.61/243,107.31 = 103,577.68/x
  3. Step 3: Cross multiply
    176,166.61x = 243,107.31 × 103,577.68
  4. Step 4: Simplify right side
    176,166.61x = 25,180,490,553.07
  5. Step 5: Solve for x
    x = 25,180,490,553.07/176,166.61
  6. Step 6: Final answer
    x = 142,935.66

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1.5x scale

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.