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Finding the Fourth Proportional to 174,663.15, 240,956.01 and 103,009.74

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Solution

The fourth proportional to 174,663.15, 240,956.01 and 103,009.74 is: 142,106.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,663.15 : 240,956.01 = 103,009.74 : x
  2. Step 2: Convert to fraction form
    174,663.15/240,956.01 = 103,009.74/x
  3. Step 3: Cross multiply
    174,663.15x = 240,956.01 × 103,009.74
  4. Step 4: Simplify right side
    174,663.15x = 24,820,815,941.54
  5. Step 5: Solve for x
    x = 24,820,815,941.54/174,663.15
  6. Step 6: Final answer
    x = 142,106.77

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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.