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Finding the Fourth Proportional to 133,875.41, 184,393.31 and 99,774.81

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Solution

The fourth proportional to 133,875.41, 184,393.31 and 99,774.81 is: 137,424.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,875.41 : 184,393.31 = 99,774.81 : x
  2. Step 2: Convert to fraction form
    133,875.41/184,393.31 = 99,774.81/x
  3. Step 3: Cross multiply
    133,875.41x = 184,393.31 × 99,774.81
  4. Step 4: Simplify right side
    133,875.41x = 18,397,806,971.65
  5. Step 5: Solve for x
    x = 18,397,806,971.65/133,875.41
  6. Step 6: Final answer
    x = 137,424.85

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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.