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Finding the Fourth Proportional to 84,886.92, 117,185.50 and 53,066.08

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Solution

The fourth proportional to 84,886.92, 117,185.50 and 53,066.08 is: 73,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,886.92 : 117,185.50 = 53,066.08 : x
  2. Step 2: Convert to fraction form
    84,886.92/117,185.50 = 53,066.08/x
  3. Step 3: Cross multiply
    84,886.92x = 117,185.50 × 53,066.08
  4. Step 4: Simplify right side
    84,886.92x = 6,218,575,117.84
  5. Step 5: Solve for x
    x = 6,218,575,117.84/84,886.92
  6. Step 6: Final answer
    x = 73,257.17

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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.