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Finding the Fourth Proportional to 193,303.74, 266,671.72 and 125,337.93

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Solution

The fourth proportional to 193,303.74, 266,671.72 and 125,337.93 is: 172,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,303.74 : 266,671.72 = 125,337.93 : x
  2. Step 2: Convert to fraction form
    193,303.74/266,671.72 = 125,337.93/x
  3. Step 3: Cross multiply
    193,303.74x = 266,671.72 × 125,337.93
  4. Step 4: Simplify right side
    193,303.74x = 33,424,081,374.34
  5. Step 5: Solve for x
    x = 33,424,081,374.34/193,303.74
  6. Step 6: Final answer
    x = 172,909.65

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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.