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Finding the Fourth Proportional to 133,878.58, 184,752.53 and 74,262.58

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Solution

The fourth proportional to 133,878.58, 184,752.53 and 74,262.58 is: 102,482.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,878.58 : 184,752.53 = 74,262.58 : x
  2. Step 2: Convert to fraction form
    133,878.58/184,752.53 = 74,262.58/x
  3. Step 3: Cross multiply
    133,878.58x = 184,752.53 × 74,262.58
  4. Step 4: Simplify right side
    133,878.58x = 13,720,199,539.33
  5. Step 5: Solve for x
    x = 13,720,199,539.33/133,878.58
  6. Step 6: Final answer
    x = 102,482.41

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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.