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Finding the Fourth Proportional to 176,703.60, 243,856.80 and 101,266.56

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Solution

The fourth proportional to 176,703.60, 243,856.80 and 101,266.56 is: 139,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,703.60 : 243,856.80 = 101,266.56 : x
  2. Step 2: Convert to fraction form
    176,703.60/243,856.80 = 101,266.56/x
  3. Step 3: Cross multiply
    176,703.60x = 243,856.80 × 101,266.56
  4. Step 4: Simplify right side
    176,703.60x = 24,694,539,268.61
  5. Step 5: Solve for x
    x = 24,694,539,268.61/176,703.60
  6. Step 6: Final answer
    x = 139,751.20

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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.