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Finding the Fourth Proportional to 86,277.84, 119,043.72 and 48,538.32

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Solution

The fourth proportional to 86,277.84, 119,043.72 and 48,538.32 is: 66,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,277.84 : 119,043.72 = 48,538.32 : x
  2. Step 2: Convert to fraction form
    86,277.84/119,043.72 = 48,538.32/x
  3. Step 3: Cross multiply
    86,277.84x = 119,043.72 × 48,538.32
  4. Step 4: Simplify right side
    86,277.84x = 5,778,182,175.35
  5. Step 5: Solve for x
    x = 5,778,182,175.35/86,277.84
  6. Step 6: Final answer
    x = 66,971.80

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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.